Measurement
For these activities:
- use Challenge to see how much you already know
- use Reinforcement for extra practice.
For more information choose Resources, and look in Workshop practices under Measuring and marking out.
Vernier calliper and micrometer

There are some measurements that require accuracy not achievable with a steel ruler or tape measure. In these instances it is important to know how to use a vernier calliper and/or micrometer.
These activities present questions, information and practical experience in measuring using vernier callipers and micrometers.