Coast Paper 4

Question 1

What is a calliper?

Answer 1

• Calliper is an instrument used to measure width, depth or length of small objects like load.

Question 2

How do you use a calliper?

Answer 2

Place the object to be measured inside the calliper then close the calliper and read off the measurement (normally centimetres or millimetres) because the object is small.

Question 3

Why are callipers useful?

Answer 3

They can be used to measure changes in a river’s load or changes in beach material.