Units play an important role in science, as they define a given value. Without a unit, on its own, the value of a quantity is meaningless as the value itself gives no clue as to whether it is referring to a mass, length or volume. Yet this is an area that causes many difficulties for students.
After working through this topic, you will be able to:
- understand how units are derived from base units and prefixes;
- use strategies to help learners improve their confidence in dealing with units; and
- access a set of relevant resources.