N S T N R I A O T R F O A M
Transformation
True or False. The Sun is the main source of light and electrical energy.
False
True or False. Energy can’t change from one form to another.
False
Complete the diagram : Chemical energy——-> _____________ + ______________
Chemical energy——-> kinetic energy + heat energy
State the energy transformation
Electrical to mechanical, sound, heat
Microwave oven
Electrical to heat, sound, kinetic and light
Photosynthesis
Light to chemical energy
What is the energy transformation of this picture
Light to electrical energy
State the energy transformation
Electrical energy to sound energy
State the energy transformation when we watch tv.
Electrical energy ——-> light energy + sound energy
Iron and toasters changed ________ energy to _________ energy
Electrical, heat
When we run our hands together, chemical energy in our body is changed to _________ and then to _________.
Kinetic and heat
When a torch is turned on, chemical energy energy will change into ____________ energy and then changed to __________energy.
Electrical, light
The batteries in a torch has _________energy.
Chemical
When we are cycling, Chemical energy of our body changes into ____________
Mechanical energy
It is the process of changing energy from one form to another.
Energy transformation
