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A hydrogen powered rocket

Description

'Rockets' are made by filling plastic fizzy drink bottles with a mixture of hydrogen gas and air.

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
a-hydrogen-powered-rocket

 



Apparatus Chemicals

Eye protection for demonstrator

Ear protection for demonstrator

Safety screens

Plastic fizzy drink bottles (500 cm3) or, if done indoors, a smaller bottle, 2 - 3 (Note 5)

Rubber bungs, to fit bottle, 2 (Note 1)

Plastic bowl, for filling bottle with gas over water

Piezoelectric gas lighter (or 0-5 kV EHT supply) (Note 2)

Leads (about 1 m), fitted with crocodile clips, 2

Optional:

Piece of softwood, about 15 x 2 x 2 cm (Note 3)

Two small screw eyes (see Fig. 3)

Strong rubber bands, to fit tightly around body of bottle, 2

String, about 10 m

Plastic drainpipe, diameter larger than that of drinks bottle, about 30 cm long (Note 4)

Access to a hydrogen (EXTREMELY FLAMMABLE) cylinder fitted with a regulator and a length of rubber tubing

Refer to Health & Safety and Technical notes section below for additional information.

 


Read our standard health & safety guidance

 


 




Page last updated February 2016

'Rockets' are made by filling plastic fizzy drink bottles with a mixture of hydrogen gas and air.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology.