Y9 Extension Physics Units and Measurement

What is the SI unit for length?

• foot (ft)

• meter (m)

• kilometer (km)

• centimeter (cm)

The SI unit for mass is _____

• gram (g)

• pound (lb)

• kilogram (kg)

• Newton (N)

Vernier Scale Calipers and Micrometer are tools that can be used to measure _______

• mass

• length

• temperature

• time

Which of the following can be used to measure time? Select all that can be used

• Analog clock

• digital stop watch

• pendulum

• micrometer

The SI unit of candela (cd) is a unit of _______

• luminous intensity

• electric current

• thermodynamic temperature

• electromagnetic frequency

There are _______ meters in a Mm (megameter).

3.58 has ___ significant figures

• 3

• 1

• 2

• 0

How many significant figures does 0.038 have?

• 3

• 1

• 2

• 4

How many significant figures does 0.03800 have?

• 3

• 5

• 2

• 4

How many significant figures does 7900 have?

• 1

• 2

• 3

• 4