Exercises to review contents about Energy

1. 22/5/2019 Review Unit 4: "Energy"
https://docs.google.com/forms/d/1SwkPIlAPE-LaBhFWXgPnm8lQkT489XlL4eY4NDL4gJA/edit 1/5
Review Unit 4: "Energy"
Let's do your best in the following Test about "Energy". If you study hard, it will be very easy. Good
luck!! :)
*Obligatorio
1. Name: *
2. Date: *
3. What is energy?
4. Choose all the renewable sources of energy.
Selecciona todos los que correspondan.
Uranium
Fossil Fuels
Biomass
Wind energy
Water energy
Solar energy

2. 22/5/2019 Review Unit 4: "Energy"
https://docs.google.com/forms/d/1SwkPIlAPE-LaBhFWXgPnm8lQkT489XlL4eY4NDL4gJA/edit 2/5
5. What is the fastest form of energy?
Marca solo un óvalo.
Sound energy
Light energy
Electrical energy
Mechanical energy
6. Which source of energy is renewable, but at the same time it causes air pollution?
Marca solo un óvalo.
Biomass
Water energy
Fossil Fuels
Geothermal energy
7. What unit do we use to measure sound?
8. Decide if the following sentences are "True" or "False"
Marca solo un óvalo por fila.
True False
Sound can travel in any direction.
Light energy travels at 300,000
km/s.
Food is a source electrical energy.
Oil is a renewable source of
energy.
Burning coal is not a cause of
global warming.
Volcano is an example of
geothermal energy.
Geysers are an example of
electrical energy.
9. What are the main fossil fuels?
10. What form of energy is the sum of kinetic
and potential energy?

3. 22/5/2019 Review Unit 4: "Energy"
https://docs.google.com/forms/d/1SwkPIlAPE-LaBhFWXgPnm8lQkT489XlL4eY4NDL4gJA/edit 3/5
11. What form of energy does it travel in straight lines?
Marca solo un óvalo.
Sound energy
Chemical energy
Light energy
Electrical energy
12. What kind of energy does food contain?
Marca solo un óvalo.
Electrical energy
Mechanical energy
Chemical energy
Potential energy
13. What is potential energy? Write an example
14. What do we use uranium for?
Selecciona todos los que correspondan.
We use uranium to generate geothermal energy.
We use uranium to generate electricity.
We use uranium to generate sound energy.
We use uranium to generate petrol.
15. Define what a non-renewable source of
energy is.
16. Classify the following sources of energy into renewable or non-renewable.
Selecciona todos los que correspondan.
Renewable Non-renewable
Natural gas
Water
Wind
Coal
Oil
Uranium
Solar energy
Geothermal energy
Biomass

4. 22/5/2019 Review Unit 4: "Energy"
https://docs.google.com/forms/d/1SwkPIlAPE-LaBhFWXgPnm8lQkT489XlL4eY4NDL4gJA/edit 4/5
17. Write the advantages and disadvantages of one source of energy we have studied.
18. What form of energy can you see in the
picture?

5. 22/5/2019 Review Unit 4: "Energy"
https://docs.google.com/forms/d/1SwkPIlAPE-LaBhFWXgPnm8lQkT489XlL4eY4NDL4gJA/edit 5/5
Con la tecnología de
19. What form of energy can you see in the
picture?
20. Select all the forms of energy that you can see in the picture.
Selecciona todos los que correspondan.
Mechanical energy
Light energy
Sound energy
Geothermal energy
Chemical energy
Thermal energy