Energy

Vehicles can move only when energy provided from

• petrol

• diesel

• electricity

• any of these

When wet clothes are dried in a machine this energy is used

• heat

• electrical

• petrol

• air

The main source of energy for earth is

• sun

• coal

• water

• air

The earliest used energy source is

• water

• air

• wood

• diesel

The sun heats up air and it moves from

• warmer to cooler places

• cooler to warmer places

• cooler place to seaside

• none of the above

Sun, wood, water and wind are ______energy sources

• renewable

• non renewable

Coal, oil and Natural gas are ______ type of sources

• renewable

• non renewable