Unit 3. 6º Grade

It energy is produced by water stored in dams.

• Wind

• Biomass

• Geothermal

• Hydraulic

• Solar

It energy is produced by burning organic materials.

• Wind

• Biomass

• Geothermal

• Hydraulic

• Solar

It energy comes from within the Earth.

• Wind

• Biomass

• Geothermal

• Hydraulic

• Solar

Uranium is a non-renewable energy source.

• True

• False

Fossil fuels include coal, uranium and oil.

• True

• False

Crude oil is used for cooking

• True

• False

It comes from different sources and can be transformed into light, sound, heat and movement.

• Light energy

• Sound Energy

• Thermal Energy

• Chemical Energy

• Electrical Energy

Batteries and petrol burnt in cars are sources of this energy.

• Light energy

• Sound Energy

• Thermal Energy

• Chemical Energy

• Electrical Energy

1. This energy flows from warmer substances to cooler substances.
   
   

• Light energy

• Sound Energy

• Thermal Energy

• Chemical Energy

• Electrical Energy

1. It is the fastest type of energy.
   
   
   
   

• Light energy

• Sound Energy

• Thermal Energy

• Chemical Energy

• Electrical Energy