Science Revision

Match the following

• the measure of the force of gravity

• Forces

• a pulling force exerted by the Earth

• Mass

• a measure of how much matter is inside a

• Weight

• pushes or pulls

• Gravity

Match the following

• a type of friction caused by air pushing

• Friction

• a type of friction caused by water

• Buoyancy

• an upward force that a liquid applies

• Water resistance

• a force that acts between two surfaces

• Air resistance

Label the mechanisms

a

b

c

Lever

Gear

Crane

Friction

Pulley

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

a

b

c

d

Water resistance

Magnetism

Air resistance

Gravity

Fill in the gaps

a

b

c

centre

star

ground

object

mass

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

insect

bird

carnivore

amphibian

mammal

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