Science Revision

Match the following

• a pulling force exerted by the Earth

• Mass

• the measure of the force of gravity

• Gravity

• a measure of how much matter is inside a

• Forces

• pushes or pulls

• Weight

Match the following

• a type of friction caused by water

• Air resistance

• a force that acts between two surfaces

• Buoyancy

• an upward force that a liquid applies

• Friction

• a type of friction caused by air pushing

• Water resistance

Label the mechanisms

a

b

c

Friction

Lever

Gear

Pulley

Crane

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

a

b

c

d

Magnetism

Air resistance

Water resistance

Gravity

Fill in the gaps

a

b

c

centre

human

object

star

mass

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

insect

amphibian

bird

mammal

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