UNIT 5 - ENERGY

It is made up of seven different colours

• sound

• light

• sound and light

It is the fastest form of energy (300.000km/s)

• sound

• light

• sound and light

It travels in waves

• sound

• light

• sound and light

It travels in all directions

• sound

• light

• sound and light

It travels in a straight line

• sound

• light

• sound and light

It can reflect off an object (echo)

• sound

• light

• sound and light

Energy has different forms:

• light, sun, wind, water

• thermal, electrical, kinetic and sound

• thermal, light, sound, electrical, chemical and kinetic

Energy can be obtained from ____________ and non-renewable sources

Renewable energy sources are:

• coal, petroleum, natural gas, uranium and plutonium

• sun, wind and water

Non-renewable energy sources are:

• coal, petroleum, natural gas, uranium and plutonium

• sun, wind and water