ENERGY3rd PRIMARY

ENERGY AND ENERGY TRANSFORMATION• Types of energy.

• Heat energy. • Light energy. • Chemical energy. • Electrical energy.• Kinetic energy. • Sound energy.

Heat energy. • We can feel it in this steaming cup of coffee

Light energy• We can see it, for example, a light bulb.

Chemical energy• This is stored energy that is found in food, fuel and all living things.

Electrical energy• Electric-powered devices like COMPUTERS use this energy to work.

Kinetic energy• It is energy produced by objects and living things in movement.

Sound energy• We can produce this energy when we play musical instruments.

ENERGY CHANGES

ELECTRICAL ENERGY LIGHT ENERGY

ENERGY CHANGES

CHEMICAL ENERGY KINECTIC ENERGY

VOCABULARYRENEWABLE ENERGY SOURCES

Solar energy

Wind energy

Hydroelectric energy

NON-RENEWABLE ENERGY SOURCES

• PETROLEUM

• GAS

• COAL

VOCABULARY• NON-RENEWABLE ENERGY SOURCES• NUCLEAR ENERGY

What do things work with oil, gas or coal?Car

Bus

Train

Central heating

Boat

Plane

Bag

ACTIVITY• Which types of energy can you see in each picture?

AB

CD

ACTIVITY• Complete the sentences with the words provided.

……………………. of energy can be renewable and non-renewable. Coal, …………………………………… and oil are non- renewable. Water, wind and the …………………… are renewable. Coal is extracted in……………………..

GAS SOURCES MINES SUN

ACTIVITY• Do you use non-renewable or renewable energy sources?