 |
 |
|
|
This video looks at features and trends in the periodic table and elements. The short periodic table is used to examine the reactions of oxygen, chlorine, bromine and sodium with the third row elements.
30 minutes PAL VHS tape
Cost: £32.00 + p. & p. + VAT
This video illuminates the wonder and diversity of the carbon atom, starting with simple compounds and moving in logical sequence through to complex branched chains. We bring to life the molecules with colourful 3-D graphics and illustrate many practical and everyday applications. we explain the rules of nomenclature and consistently apply them in the programme.
41 minutes PAL VHS tape
Cost: £32.00 + p. & p. + VAT
This programme describes how the sun's energy is converted into chemical energy by the endothermic photosynthesis reaction and stored in plants, coal and oil. Interesting footage demonstrates traditional methods used to recover that valuable energy, and also modern technology under development. The chemical reactions involved in each process are illustrated throughout and the student is introduced to the concept of enthalpy.
28 minutes PAL VHS tape
Cost: £32.00 + p. & p. + VAT
A new series suitable for GCSE and introductory A-level courses which provides a broad in depth coverage of topics featured on most syllabi. It consists of 15 video programmes presented on 6 separate video cassettes, each accompanied by a comprehensive teachers's guide.
Part 1: States of Matter
This part looks at the following topics: the kinetic theory of gases with explanation at the molecular level; freedom of motion of particles is explained; energy and changes of state; how gas pressure is affected by changes in amount, volume and temperature; transportation of natural gas and commercial uses of liquid nitrogen in refrigeration and cryogenics; and a demonstration of the changes of state of bromine from a gas to a solid.
Part 2: The Mole
This considers the following; Avogadro's Hypothesis that equal volumes of gases at the same temperature and pressure contain an equal number of particles; atomic masses of different elements are relative masses; the use of the Mole and Avogadro's number; the periodic table and relative molar masses; the Mole concept and chemical reactions; and the importance of the Mole concept in the production of an epoxy resin.
The video is accompanied by a comprehensive teacher's guide.
30 minutes. PAL VHS tape
Cost: £35.95 + p. & p. + VAT
Part 1: The atom
This part includes: development of atomic models used to explain and predict behaviour of matter; interactions of electrically charged objects; description of Rutherford's gold foil experiment used to show that atoms contain a nucleus and Crooke's tube experiment; a look at the modern model of the atomic structure explaining the relative positions, masses and charges of protons, neutrons and electrons, and how electrons are represented as electron clouds; emission spectroscopy and elemental identification; and the scanning tunnelling microscope which is used to reveal contour images of the electron clouds of atoms.
Part 2: The Periodic Table
Topics considered in this section include: description of the periodic table with identification of groups and periods; group properties and their variance; size of atoms and their variance within the periodic table; periodicity of the alkali metals with their reaction with water; a look at glass making as an example of how the periodic table can be useful in industrial applications; Mendeleev's early periodic table and Glenn Seaborg's revision of the table into its present day form; and how the periodic table can be used to predict electron configuration (valency) of an element.
Part 3: Chemical Bonds
This part of the video explains the basic rules of bond formation; the formation of ionic and covalent bonds; demonstrates ionic bonding using sodium chloride as an example; covalent bonding using formation of the dihydrogen as example; looks at what happens when water changes state and considers the effect this has on water's covalent bonds and the weak intermolecular forces between water molecules; and looks at the large amount of energy involved in the breaking and making of covalent nitrogen bonds using ammonia production, nitrogen fixation, lightning and explosives as examples.
45 minutes. PAL VHS tape
Cost: £49.95 + p. & p. + VAT
Part 1: Organic Chemistry
This section considers the following: how carbon forms a large number of molecules, introduces covalent bonding; graphic models of the basic hydrocarbon molecules, methane, ethane, ethene (ethylene), ethyne (acetylene); the bromine test for presence of double bonds; structural isomers e.g. butane and isobutane; chemical properties and their relation to structure and functional groups within the molecule; classification of organic compounds according to functional groups e.g. carboxylic acids, alcohols and esters; organic synthesis of natural compounds; and the commercial production of artificial fragrances, flavourings and Aspirin.
Part 2: The Age of Polymers
The final section studies the following: the variety of uses of polymers and how they are produced from crude oil and natural gas; how the chemical and physical properties of polymers are related to their molecular structure; demonstration of the synthesis of Nylon; fractional distillation of crude oil, and catalytic cracking; formation of polymers from ethene (ethylene) showing free radical chain reactions; compares high density and low density polyethylene (polyethene); polymerisation of styrene monomer to form polystyrene; and the recycling problems associated with synthetic polymers.
30 minutes. PAL VHS tape
Cost: £35.95 + p. & p. + VAT
Part 1: The Atmosphere
This part considers the following topics: the earth's probable original atmosphere and how it evolved to its present composition; present composition of the atmosphere in percentage terms; methods used to detect past and present changes in the atmosphere as well as future projections; outline of the water and carbon cycles; greenhouse effect and holes in the ozone layer; and finally commercial use of CFCs (chlorofluorocarbons) and ozone depletion.
Part 2: The Chemistry of the Earth
The second part considers: distribution of minerals and ores, and how location is a result of how the earth was formed; formation of ore deposits by crystallization of magma, precipitation from superheated steam, and sedimentation; structure of silicates and properties of various silicon containing materials; and how acid rain reacts with limestone and marble.
30 minutes. PAL VHS tape
Cost: £35.95 + p. & p. + VAT
Part 1: Acids and Bases
This part of the video: provides a summary of properties of acids and bases; explains proton transfer with demonstrations and graphics; shows how antacids combat stomach acidity; demonstrates the role of water in proton transfer; demonstrates how an acid's strength is dependent on the transfer of protons to water to form hydronium ions; explains pH (hydronium ion concentration) and the pH scale; and shows how human activity has decreased the pH of rain in many regions (acid rain).
Part 2: Oxidation and Reduction
This section of the video: explains how oxidation and reduction reactions involve the transfer of electrons, and shows how this process can cause corrosion and make batteries; explains how chemical reactions can produce energy with demonstration of a copper/zinc electrochemical cell; explains why and how lithium is used to make batteries; explains the workings of the lead storage batteries; show how electrical energy is used to produce chemical reactions e.g. electrolysis of water; and shows how industry uses electrolysis to extract aluminium from bauxite.
Part 3: Metals
This final part of the video: describes the characteristics and uses of metals; explains the properties of metals in terms of the metallic bonds; explains the metallic bond as an arrangement of metal ions in a sea of delocalised electrons; demonstrates metal extraction from ore using oxidation/reduction reactions; shows how aluminium is extracted from bauxite by electrolytic reduction; shows how useful alloys can be made by combining different metals, and explains the production and properties of steel and stainless steel; and looks at the recent development and possible uses of metal superconductors.
45 minutes. PAL VHS tape
Cost: £49.95 + p. & p. + VAT
Part 1: The Driving Forces
This part of the video: explains that chemical reactions have a natural or spontaneous direction in which they occur; shows that the tendency to reach a lower energy state drives many reactions; demonstrates exothermic reactions using potassium and glycerine; demonstrates endothermic reactions using barium hydroxide and ammonium thiocyanate; shows that the tendency to increased disorder - entropy - also drives many reactions; and shows how industry makes use of the natural direction of the flow of energy in the design of its plants.
Part 2: Chemical Kinetics
The middle part of the video: shows that different reactions take place at different rates; demonstrates th e effect of different temperatures and concentrations on reaction rates; demonstrates how catalysts speed up reactions and yet remain unchanged; explains how molecular motion helps understand reaction rates; introduces collision theory and the concept of activation energy using the formation of hydrogen bromide from hydrogen and bromine as an illustration; and finally how the concepts of reaction kinetics are used in food technology.
Part 3: Catalysts
The final part of the video: explains the economic value of catalysts; show the use of rhodium as an example of a re-usable catalyst; explains how catalysts speed up reactions by lowering the activation energy of a reaction; demonstrates how molecules react at the surface of a solid catalyst; how molecular models can help understand the action of catalysts; explains how enzymes are also catalysts using the potato enzyme catalysed decomposition of hydrogen peroxide as an example; and finally how enzymes function as catalysts for specific molecules of particular size and shape.
45 minutes. PAL VHS tape
Cost: £49.95 + p. & p. + VAT
A series of 6 videos that introduce the fundamentals of chemistry in a language and depth appropriate to secondary schools and above. Particularly useful for revision, consolidation and expansion of the understanding of the subject.
This video divides materials into pure substances (elements and compounds) and mixtures, either homogenous or heterogenous. Using a wide range of examples, compounds and mixtures are reduced to simple compounds and elements of which they are composed.
20 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
A survey of the chemical nature of solutions, distinguishing between those of ionic and molecular compounds. Brownian motion and the concept of molarity are discussed as well as an explanation of the solubility of various liquids.
23 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
An investigation into metallic, ionic and covalent bonding which then leads onto the concepts of valency and polarity.
23 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
This video details the theories of Bronsted-Lowry and Lewis and then explains the derivation of pH and shows the action of buffers.
20 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
This video outlines the factors on which reaction rates depend: the area of exposed surface; concentration; and temperature. Also shown is the action of catalysts in reactions and their commercial value.
20 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
Animation is used to relate the electronic atomic structure of an element to its physical and chemical properties and shows how this can be a basis for the organisation of elements within the periodic table.
23 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
Experiments that cannot be easily presented in the classroom are shown with clear cut animation using a particle model approach and are then related to the real world examples in this series of 5 videos.
Real experiments demonstrate that the mutual attraction of particles in matter is electrical in nature. Matter with strong electrical forces is solid at room temperature while matter with weaker charges is liquid or gaseous.
20 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
The common compound salt (sodium chloride) is decomposed by electrolysis into its two elements chlorine and sodium in an endothermic reaction that consumes much electrical energy. In the exact opposite of decomposition, synthesis, salt is produced from sodium and chlorine. The result is a violent exothermic reaction and the formation of sodium chloride.
10 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
This video looks at the particle model of matter which assumes that all matter is made up of particles. The three states of matter are viewed as the result of the activity of particles. Melting, solidifying, boiling and condensing are explained with reference to the energy levels of the particles.
12 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
Industrial processes make use of the fact that different liquids have different boiling points. The fractional distillation column is essential to modern technology; it separates liquid mixtures into pure substances. A laboratory and a large industrial column are shown extracting fractions.
16 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
Two electric circuits are compared. In one, electrons flow continuously in a copper wire. In the second, copper forms only part of the conductive path, the rest is an electrolytic solution with a platinum electrode. Filmed and animated sequences show the migration of the copper ions and the removal and addition of electrons.
12 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
A series of two videos looking at some of the main techniques used in chemical analysis.
This video introduces the chemical concept of the three main instruments used i modern analytical chemistry: atomic absorption spectrophotometry AAS, high pressure/performance liquid chromatography (HPLC), and gas chromatography (GC). Following an introductory outline of the uses and need for chemical instruments to qualify and quantify a range of substances in a sample, the video presents the instruments.
A teacher's guide is provided with this video.
24 minutes PAL VHS tape
Cost: £37.00 + p. & p. + VAT
This video introduces the principles and techniques of calorimetry and mass spectrometry. Following a brief introduction of the need for quick, cost-effective and reliable testing of samples the video explains these two techniques. The basic principles are outlined before specific examples are shown using computer animation to demonstrate design features, calibration and operation.
A teacher's guide is provided with this video.
33 minutes PAL VHS tape
Cost: £42.50 + p. & p. + VAT
A series of two videos looking at the fundamentals of bonding
The first of two programmes providing an introduction to a chemical understanding of every known material. Areas looked at include: scientific categories used by chemist's to classify substances; the role of electronegativity in determining whether a bond is pure covalent, polar covalent or ionic; and conductivity of salts as molten liquid and in aqueous solution; salts dissociation in aqueous solution; the covalent network of molecular solids like graphite, diamond and silicon dioxide; shapes of simple covalent molecules and the properties of small and a long chain, covalently bonded compounds.
27 minutes PAL VHS tape
Cost: £32.00 + p. & p. + VAT
This video illustrates relative bond strength with clear 'biscuit' analogy and compares melting and boiling points: relative bond strengths; ethanoic acid dimer example; melting and boiling points; examples of dipole-dipole attraction; effect of charged plates; polar covalent bonds and the intermolecular hydrogen bond; how helium and other gases liquefy; comparison of hydrogen bonds in water, ammonia, vinegar and DNA; Van der Vaal's forces in methane, nitrogen, oxygen etc.; metallic bonding in gold and silver; and explanations for metallic bonding.
18 minutes PAL VHS tape
Cost: £32.00 + p. & p. + VAT
This programme stimulates student's interest in and understanding of chemical processes. It illustrates chemical concepts with imaginative analogies, bringing a sometimes complicated subject within reach. Topics include familiar systems, analogies and models, effect of temperature, molecular models, phase changes and solutions, notations and conventions, altering equilibrium states and predicting changes, limestone caves, carbon, carbon dioxide, and systems far from equilibrium.
23 minutes PAL VHS tape
Cost: £32.00 + p. & p. + VAT
The arrangement of electrons in atoms determines the behaviour or chemistry of the atoms. Topics considered include: ionisation of atoms by electron bombardment; light emission from hot electrons in atoms; the hydrogen spectrum; electron diffraction; quantum mechanical model; the Schrodinger wave equation; spatial orbital models and molecular geometry.
27 minutes PAL VHS tape
Cost: £32.00 + p. & p. + VAT
Chemical reactions involving the transfer of electrons from one species to another. Reduction and oxidation are complementary and opposite. The always occur together. Oxidation number, calculating half equations, balancing redox potential, corrosion, electroplating, anodization, bleaching, batteries and fuel cells all involve redox reactions.
27 minutes PAL VHS tape
Cost: £32.00 + p. & p. + VAT
Suitable for A-level student's, this series of four videos provides a comprehensive examination of chemical bonding, using computer generated graphic models and examples from everyday life. Each order is supplied with the complete teacher's guide.
This video provides the foundation for the series. It looks, at the atomic, lattice and crystalline levels of structure in metals, and their effects on metallic bonds and properties. It examines: the atomic structure (especially electron shells and subshells); formation of metallic bonds; why metals have different melting points; cooling of molten metal to form crystals; effect of rate of cooling on each metals properties; lattice patterns dependent on ion size and charge; and alloying.
21 minutes PAL VHS tape
Cost: £37.00 + p. & p. + VAT
This video explains the formation of cations, anions, ionic bonds and different lattice structures. It examines: formations of sodium cations and chloride anions; ionic bonding; lattice structures; molecular ions; properties of solid and liquid ionic compounds such as brittleness, melting point and electrical conductivity.
17 minutes PAL VHS tape
Cost: £29.95 + p. & p. + VAT
This video looks at covalent/ inter-molecular bonds and the molecular shapes that they produce. It examines: formation and shape of water molecules; shape of water molecules (showing bonding and non-or bonding electron pairs); further molecular shapes (shown using methane, ammonia and ammonium ions); double covalent bonds and triple bonds; shapes of more complex molecules (e.g. glucose and diamond, formation of covalent network lattices.
16 minutes PAL VHS tape
Cost: £29.95 + p. & p. + VAT
This video looks at inter-molecular bonding (dipole-dipole and dispersion forces) and how this determines the state of matter and properties of molecular substances. It explains: dipole-dipole bonding for polar molecules, electronegativity, solubility for polar molecules; dispersion forces bonding non-polar molecules e.g. hydrogen, carbon dioxide and formation of dry ice, and hydrocarbons.
18 minutes PAL VHS tape
Cost: £29.95 + p. & p. + VAT
Suitable for A-level students, this video uses 3 D computer animation to explain the chemical and electrolytic processes involved in producing aluminium metal. Introduction-looks at uses of aluminium its alloys and various aluminium bearing ores. From bauxite to alumina - shows stages of refining bauxite. From alumina to aluminium-explains the processes, raw materials and energy needed. Electrolysis examines the operation of aluminium smelting pots, the Hall-Heroult smelting process, energy equations of power used in smelting, and the chemical reactions of electrolysis. From electrolysis to ingots - looks at purity analysis, production economics and health and safety issues. Aluminium and the environment-looks at various environmental issues.
30 minutes PAL VHS tape
Cost: £42.00 + p. & p. + VAT
Fission, fusion, reprocessing and disposal. For ages 16 - 18 this 'companion' programme to nuclear physics looks at the practical application nuclear energy and includes footage from nuclear power stations and fusion laboratories.
Fission: this section of the programme looks at nuclear reactors including fuel, moderators, control rods, coolant, radiation shields, and nuclear power stations such as fast breeder reactors.
Fusion: this section of the programme looks Coulomb repulsion and fuel.
The final section of the programme looks at plasmas including fusion reactors, magnetic bottles, internal confinement via laser bombardment, and beam bombardment.
31 minutes. PAL VHS tape
Cost: £32.00 + p. & p. + VAT
This programme on nuclear physics considers the make-up of the nucleus of an atom. Topics covered include: models of the nucleus; the density of the nucleus; the atomic mass unit based on carbon 12; isotopes; nuclear stability; nuclear force; mass defect; radioactivity; ionising radiation including alpha, beta, and gamma; half-life; transmutation; beta decay; alpha decay; and gamma decay; the role quarks in nucleons; and the uranium decay series.
21 minutes. PAL VHS tape
Cost: £28.00 + p. & p. + VAT
Suitable for A-level students, this video provides an introduction to the molecular structure, reaction mechanisms, physical properties and manufacture of addition polymers. It uses computer animation throughout to clearly explain the molecular structures and processes.
21 minutes. PAL VHS tape
Cost: £37.00 + p & p + VAT
Suitable for A-level students, this video provides an introduction to the molecular structure, reaction mechanisms, physical properties and manufacture of condensation polymers. Computer animation is used throughout to clearly explain the molecular structures and processes.
20 minutes. PAL VHS tape
Cost: £32.00 + p & p + VAT
Each chemistry essential CD-ROM contains: 8-22 video chapters (25 minutes total), random access with interactive browsing, interactive quizzes, a bulletin board, tests with record keeping, interactive glossary, and a teacher management system with password protection. The teacher management system: allows teachers to write and edit quiz questions plus tests questions; track student scores; create and edit bulletin board information, quizzes, tests, scoring keys; and finally print class rosters with scores by name or code.
Quality animation and graphics are used to explain how compounds are formed by either ionic or covalent bonding; the difference between the groups of compounds; and chemical formulas and equations.
Dual platform - PC or Mac
Cost: £30.00 + p & p + VAT
The invisible world of the atom is brought to life as we examine how models of the atom have changed over time. The many vital uses of radioactive isotopes are also explored.
Dual platform - PC or Mac
Cost: £30.00 + p & p + VAT
This informational programme explains periodic law and the significance of the rows and columns of the periodic table. The physical and chemical qualities of each group of elements are also outlined.
Dual platform - PC or Mac
Cost: £30.00 + p & p + VAT
Various types of reactions, including exothermic and endothermic, spontaneous and non-spontaneous are discussed. How variables affect the rate of chemical reactions is also examined.
Dual platform - PC or Mac
Cost: £30.00 + p & p + VAT
MMW is a self-paced interactive CD-ROM that presents a selection of questions about the shape of organic molecules. Interactive animations help students explore the three dimensional nature of these molecules and gain a clear understanding of structural, geometric, stereo and conformational isomers.
MMW presents students with six sets of questions for each of the following groups of organic molecules: alkanes, alkenes, alkynes, cycloalkanes and benzenes.
It provides 176 interactive 3D animations on structural, geometric, stereo and conformational isomerism. The animations show the Kekule structure of a particular compound which, by clicking on the mouse, undergoes a transition into a 3D ball and stick image and can be rotated through 360 degrees.
Real-time assessment and feedback helps students to immediately identify their areas of weakness. On-line help and glossary functions also support students who wish to use MMW for self-paced study.
Dual platform- PC or Mac
Cost: £45.00 + p & p + VAT
Additional multi-user copies are available at half price and site licenses can be purchased at £15 for each additional computer on the network.
ChARMs is an interactive multimedia CD-ROM containing 271 animated reaction mechanisms and 24 interactive electronic lectures designed for teaching organic chemistry. It can be used in lectures, tutorials and pre-laboratory sessions or for self-paced study by students.
The 271 animated reaction mechanisms (interactive and in full screen colour), are in three groups: aromatics-electrophilic aromatic substitution reactions with o, p-directing and m-directing groups; S N, E, and alkenes-nucleophilic substitution reactions (1 and 2), elimination reactions (1 and 2) and alkene addition reactions; and carbonyl-CO substitution, C-C addition, enamines and acetals (anomers, formation and hydrolysis).
The 24 electronic lectures provide more than 800 screens of text, graphics and animations and cover topics such as: bonds and structure; alkanes and stereoisomers; cycloalkanes; alkenes; aromatics; alkynes; functional groups; NMR spectroscopy; mass spectrometry; organic reactions; SN one; SN two; elimination reactions; electrophilic addition; aromatic substitution; C O nucleophilic substitution and addition; oxidation and reduction; and radical reactions.
Dual platform-p c or Mac
Cost £45.00 + p & p + VAT
Suitable for A-level students, this video uses computer animation (with two and three-dimensional molecular modes) to introduce the structure and diversity of organic compounds, showing how carbon has advantageous binding properties for building complex molecules, and explaining the structure, properties and functions of the four major groups found in living systems: lipids, carbohydrates, proteins and nucleic acids. The video also explains the actions and functions of enzymes (eg trypsin), the lock and key action of an enzyme and substrate, and contrasts enzymes with structural proteins (eg porin). The teacher's resource book is supplied, providing work sheet, research ideas and student activities.
25 minutes. PAL VHS tape
Cost: £37.00 + p & p + VAT
This video provides a detailed examination of the processes of photosynthesis for A-level students. It uses computer animation, on-screen diagrams and equations to enhance understanding. An experiment to investigate the site of photosynthesis is demonstrated and a typical leaf structure shown, enabling detailed examination of the structure and function of a chloroplast, whilst explaining the role of chlorophyll. The video explains the biochemistry of both light dependant and light independent reactions. It is accompanied by a teachers resource book that containing work sheets and ideas for further activities.
23 minutes PAL VHS tape
Cost: £37.00 + VAT
In two parts, each of 28 minutes, this video introduces spectral analysis and its role in the development of the model of the atom and the exploration of the universe. Atomic Spectra demonstrates the visible spectra of a number of gases and the analytical power of spectral analysis. It introduces Rutherford's model of the atom, explaining the significance of his scattering experiments and shows the use of line spectra. The Hydrogen Spectrum demonstrates how to quantitatively analyse the hydrogen gas spectrum using the Rydberg equation, introducing the idea of energy levels. It uses the Doppler effect to show a connection between absorption spectra and the motion of galaxies and shows how Maxwell's theory of electromagnetism undermined the planetary model of the atom.
56 minutes PAL VHS tape
Cost: £42.00 + p&p + VAT
Suitable for use with A-level students, this video introduces radioactive decay using radioactive dating of artefacts and fossils as examples. It explains how to describe decay in terms of nuclear equations and half-life calculations, demonstrating the latter using radioactive tracers pick him. The video assumes prior knowledge of the characteristics of radiation and isotope notation.
28 minutes PAL VHS tape
Cost: £29.95 + p&p + VAT
The sequel to 'Atoms And There Electrons'. Caesium and his legion of atoms set out to conquer the world. Unfortunately as he is trying to capture an iron oxide deposit he is attacked by fighter squadrons of oxygen and water. Magnesium and iron are oxidised. Sodium is bombed with water. Hydrogen released combines with the halides. Hydrogen chloride teams up with water and then neutralises sodium hydroxide. In a separate encounter chlorine attacks copper. In solutions copper ion replaces zinc but not silver or gold. After the battle caesium takes his oxides and reduced troops to Testubium where hydrogen, carbon and electrolysis repair the damage.
19 minutes PAL VHS tape
Cost: £40.00 + p&p + VAT
This short film is a parody of a James Bond movie. Golden Metallic Bond is sent off to investigate why carbon, nitrogen and other atoms are training themselves in other types of bonds. He discovers their bond school and university to find that they are all working towards 'Project D'. In the finale Bond is shown around a giant DNA. All the standard cliches and puns are used contrive a way of showing: metallic, ionic, covalent, Van der Vaal's, dipole-dipole and hydrogen bonding.
28 minutes PAL VHS tape
Cost: £49.00 + p&p + VAT
Suitable for use with the A-level students, this video, produced in 1996, shows how enthalpy changes can be communicated in three ways: as a term in an equation, in notation and as a potential energy diagram. It demonstrates Hess's Law using calorimetry and potential energy diagrams, and a Hess's Law short cut using molar enthalpies of formation. Using this video should improve student's ability to write balanced equations that include the energy changed; to use and interpret change in enthalpy notation; and to use the Standard Heats Of Formation table to predict heats of reaction. It assumes prior knowledge of the fundamentals.
28 minutes PAL VHS tape
Cost: £37.00 + p&p + VAT
This video, produced in 1996 for use with A-level students, explains oxidation numbers within molecules and polyatomic ions using detailed graphics. It shows the various examples of the rules for assigning oxidation numbers and explains the rules for writing half reactions. It assumes prior knowledge of oxidation, a reduction, oxidising and reducing agents, balancing half reactions to obtain a balance net redox reaction.
28 minutes PAL VHS tape
Cost: £37.00 + p&p + VAT
This video, suitable for use at A-level, discusses the limitations of Arrhenius' s Theory and shows how a new theory involving proton transfer (the Bronsted-Lowry theory), explains such limitations. It explains acids and bases and their conjugates before demonstrating the five-step method for writing Bronsted-Lowry equations using an acid-base table. Everyday examples of acid-base reactions are shown to reinforce the Bronsted-Lowry theory .
28 minutes PAL VHS tape
Cost: £37.00 + p&p + VAT
Produced at the Centre for Science Education in Sheffield as part of their Acclaim project to help teachers show pupils what it means to be a real scientist; to dispel preconceived ideas and give an insight into why scientists find their work so absorbing. The six 30 minute programmes on this video explore the kind of lives that a career in science can offer, and present a positive and exciting image of science, dispelling the negative stereotypes often supposed by young people.
The video pack comprises the following titles: Cyborg Man, A Different Kind Of Mind, Gene Genie, Mind Over Matter, The Body In Balance, and The Man In The Silver Suit
180 minutes PAL VHS tape
Cost: £22.00 + p&p +VAT
It's a slow, painstaking business unlocking the secrets of the universe. But occasionally, an inspired individual makes sense out of confusion-and comes up with a theory or invention that changes the world and our understanding of how it works. Five 20 minutes programmes, enthusiastically presented by Adam Hart-Davis, focuses on the lives, work and struggles of scientists who have made those great intellectual leaps.
1 Faraday's Famous Inventions: The story of how Michael Faraday became a world famous scientist. His discoveries laid the foundation of our modern age, which rely so much on electricity as a carrier of power and information.
2 Darwin's Evolution: The origins of Charles Darwin's theory of evolution.
3 Mendel And The Gene Splicers: Gregor Mendel's experiments on pea plants laid the foundations for our understanding of genetic inheritance.
4 Mendeleev's Dream: The story of how Dimitri Mendeleev devised the periodic table of the elements.
5 Hubble's Expanding Universe: The story of how the size of the universe was discovered and the fact that it is expanding.
100 minutes PAL VHS tape
Cost: £18.50 + p&p + VAT
This video introduces chromatography as a powerful analytical technique for separating chemical compounds and demonstrates how various chromatographic techniques are performed. It explains and demonstrates the basic principles of the process and how separation involves stationery and mobile phases. All essential terminology is explained and the use of proper safety measures emphasised.
23 minutes PAL VHS tape
Cost: £29.95 + p&p + VAT
This video demonstrates the water monitoring techniques that are involved in testing and studying water quality. It explains how analysis tests have to be accurate enough to measure in parts per million (ppm) and illustrates analysis through an exercise to test and compare water samples from four different sources. The proper collection methods and correct scientific procedure for performing tests on eight different factors are shown: temperature, pH, dissolved oxygen, hardness, alkalinity, nitrates, coliform bacteria and chlorine. Interpretation of test data is explained.
27 minutes PAL VHS tape
Cost: £29.95 + p&p + VAT
This video introduces the principles of spectral analysis and explains the relationship between absorbance and transmittance. It explains and demonstrates how spectroscopy analyses the spectrum of light from different sources using a spectroscope and that when light energy strikes an object it can be absorbed, transmitted or reflected. Spectrometry and the use of spectrophotometers are explained along with the mathematical relationship between absorbance and transmittance. Beer's Law, and how the absorbance spectrum can be used to help identify the chemical composition of a substance, are discussed. A thorough introduction which emphasises proper safety procedures.
25 minutes PAL VHS tape
Cost: £29.95 + p&p + VAT
This programme demonstrates what a titrations is, how it is performed and how to determine when it is complete. It shows how the technique is applied to a number of real-life situations. All the essential terminology is explained and the use of proper safety measures demonstrated.
23 minutes PAL VHS tape
Cost: £29.95 + p&p + VAT
[ Chemistry Images Post_16 Front Page | Publisher Address Index | Publisher and Programme Title Index | Keyword Index ]
[ANGLESEY ALUMINIUM - RTZ | BBC STUDIES | BOULTON-HAWKER FILMS LIMITED | CFL VISION | CHEMICAL INDUSTRIES ASSOCIATION | CONCORD VIDEO AND FILM COUNCIL | CLASSROOM VIDEO | ETSU: NEW AND RENEWABLE ENERGY RESOURCES BUREAU | FOCAL POINT AUDIO VISUAL LTD. | FILMS FOR THE HUMANITIES AND SCIENCES | INSTITUTE OF CHEMICAL ENGINEERS | JOURNAL OF CHEMICAL EDUCATION SOFTWARE | LABORATORY OF THE GOVERNMENT CHEMIST | LEEDS UNIVERSITY TELEVISION | NEW MEDIA | OPEN UNIVERSITY | RESOURCES IN TRAINING AND EDUCATION LTD. | ROYAL SOCIETY OF CHEMISTRY | SHEFFIELD UNIVERSITY TELEVISION | SHOTLIST - EBS TRUST | THE VEGA SCIENCE TRUST | VIEWTECH EDUCATIONAL MEDIA 1 (Formerly EDUCATIONAL MEDIA FILM & VIDEO LTD. Catalogue) | VIEWTECH EDUCATIONAL MEDIA 2 (Formerly VIEWTECH FILM AND VIDEO Catalogue - Includes new material) | THE WELLCOME TRUST | UNIVERSITY OF YORK - CENTRE FOR ANALYTICAL SCIENCE AND INSTRUMENTATION | YORK FILMS OF ENGLAND ]