Science Revision

Match the following

• a pulling force exerted by the Earth

• Weight

• the measure of the force of gravity

• Forces

• pushes or pulls

• 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 water

• Friction

• a force that acts between two surfaces

• Water resistance

• a type of friction caused by air pushing

• Air resistance

Label the mechanisms

a

b

c

Crane

Lever

Pulley

Gear

Friction

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

a

b

c

d

Gravity

Magnetism

Air resistance

Water resistance

Fill in the gaps

a

b

c

mass

star

object

ground

centre

human

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

carnivore

mammal

insect

amphibian

bird

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