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What energies were discussed together in Unit 5?
Sound and Light Energy
Mention Renewable energy! (5)
Sun, Water, Wind, Biomass, Foods
Mention Non-renewable energy! (4)
Fossil Fuels, Petroleum, Coal and Natural Gas
The Sun is a source of energy .... and ...
Heat and Light Energy
Food produce ..... energy for the body so human/animals can move
Chemical
Where do we get energy from?
Natural Resources
When you use the radio, there is a change in energy. The change that occurs is ..... energy to ..... energy
Electric to Sound
When you use the electric stove, there is a change in energy. The change that occurs is ..... energy to ..... energy
Electric to Heat
Where does the sound come from?
Vibrating objects
The types of sounds are divided into ....., which consists of ....., ....., .....
3, Infrasonic, Audiosonic and Ultrasonic
Name an animal that can hear infrasonic sound! (3)
Crickets, Dogs and Elephants
What sounds can be heard by human ear?
Audiosonic Sound
Name an animal that can hear Ultrasonic sound! (3)
Bats, Whales and Dolphins
Sound with a frequency of 20-20,000Hz is called...
Audiosonic Sound
Light is divided into 2 types, .... light and .... light
Visible and Invisible
The properties of light are divided into .....
5
