SA7_Energy

This energy can come from the Sun or human-made objects (candles, light bulbs and torches)

• Light energy

• Thermal energy

• Sound energy

• Chemical energy

This energy flows from warmer substances to cooler substances

(a)  

The flow of thermal energy is called (a)  

Main source of thermal energy on Earth

(a)  

This energy is a vibration which travels in the form of waves and can be heard

• Light energy

• Sound energy

• Thermal energy

• Chemical energy

This energy is released when a chemical reaction occurs

• Light energy

• Sound energy

• Thermal energy

• Chemical energy

It allows living things and some non-living things to work.

(a)  

This energy can be transformed into light, sound, heat and movement.

• Electrical energy

• Mechanical energy

• Thermal energy

• Chemical energy

Lightning is a natural example of ____________ energy

• Electrical energy

• Mechanical energy

• sound energy

• Chemical energy

Nuclear energy is produced by splitting an atom of (a)