Measurements 1

what units do we use

• A1 units

• SI units.

• no units.

what is the SI unit for length

• metre (m)

• kg

• g

an opisometer is used to measure a straight line

• true

• false

what is meant by accuracy

• how far away a result is to the true value

• how close a result is to the true value.

what is a trundle wheel used to measure

• small distances

• big distances

a ruler is used to measure curved lines

• true

• false

what is a vernier callipers used to measure

• diameter of pipes

• volume

• mass

the SI unit for temperature is

• Kelvin

• fahrenheit

• celsius

The SI unit for time is

• minutes

• hours

• seconds