Science Revision

Match the following

• the measure of the force of gravity

• Gravity

• pushes or pulls

• Mass

• a pulling force exerted by the Earth

• Weight

• a measure of how much matter is inside a

• Forces

Match the following

• a force that acts between two surfaces

• Friction

• a type of friction caused by water

• Buoyancy

• a type of friction caused by air pushing

• Water resistance

• an upward force that a liquid applies

• Air resistance

Label the mechanisms

a

b

c

Crane

Lever

Friction

Pulley

Gear

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

a

b

c

d

Air resistance

Water resistance

Gravity

Magnetism

Fill in the gaps

a

b

c

star

object

human

mass

centre

ground

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

amphibian

insect

bird

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