Science Revision

Match the following

• pushes or pulls

• Forces

• the measure of the force of gravity

• Weight

• a pulling force exerted by the Earth

• Mass

• a measure of how much matter is inside a

• Gravity

Match the following

• an upward force that a liquid applies

• Buoyancy

• a type of friction caused by air pushing

• Water resistance

• a type of friction caused by water

• Friction

• a force that acts between two surfaces

• Air resistance

Label the mechanisms

a

b

c

Crane

Pulley

Lever

Gear

Friction

Label the name of the force in action next to each arrow.

a

b

c

d

Gravity

Air resistance

Water resistance

Magnetism

Fill in the gaps

a

b

c

mass

star

centre

ground

human

object

What is the name of the scientist who developed a theory of gravity when he saw an apple fall to friction the ground?

• Albert Einstein

• Galileo Galilei

• Sir Isaac Newton

• Edwin Hubble

Select the object that would fall the fastest in water

Select true or false for each statement

Complete the gaps

a

b

c

d

amphibian

mammal

bird

carnivore

insect

Put a circle around all the materials that will dissolve in water