ENERGY UNIT PRACTICE TEST

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Take this practice test then submit your answers. Be sure to check what you missed to review for the real unit test.

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1 point

1. Zelda placed a marble on different places on a ramp. At which position would the marble have the LEAST kinetic energy? *

1 point

Option 3

Option 1

Correct answer

Option 4

2. A stretched rubber band is an example of which form of energy? *

1 point

chemical energy

kinetic energy

elastic potential energy

GPE

How is CO2 emissions tied to temperatures in the Earth's atmosphere? *

1 point

when CO2 rises so does temperature

when CO2 rises temperatures decrease

there is no relationship

when CO2 is low so are the temperatures

when CO2 is low the temperatures are high

Required

4. Which would be an advantage to using alternate energy resources other than fossil fuels? *

1 point

less CO2 emission

most of the alternate energy sources are renewable

reduced pollution

less energy dependency from other countries

Required

5. What kind of energy transfer is happening in the diagram below? *

1 point

nuclear to mechanical

electrical to mechanical

chemical to mechanical

thermal to electrical

6. What kind of energy transfer takes place in the furnace of a coal plant from START to FINISH? *

1 point

mechanical to electrical to thermal to chemical

thermal to chemical to electrical

chemical to thermal to mechanical to electrical

chemical to mechanical to thermal to electrical

7. Which is true about non-renewable energy? *

1 point

coal, oil, and natural gas contain hydrogen and carbon

nuclear power is non-renewable

these resources can pollute the environment

these resources are in an unlimited supply

Required

8. Which below would be an example of transforming electrical to sound energy? *

1 point

a student listening to their Iphone

a student eating food allowing them to run and play

solar panels used to supply power to a house

flowing water turning a turbine to produce electricity

9. Panels shown on the side of this house (like in the picture below) can collect and convert energy into electricity using which source of energy? *

1 point

wind

geothermal

hydroelectric/water

solar/sun

10. When energy transforms (much like in the Newton's Cradle), some of the energy is always lost or changed to ________________. *

1 point

thermal/heat

radiant

chemical

mechanical

11. Which fossil fuel produces the least amount of air pollution? *

1 point

oil (petroleum)

coal

natural gas

12. Why do an equal numbers of spheres react on both sided of a Newton's Cradle when set in motion? *

1 point

Law of Mass Conservation

Law of Energy Conservation

Law of Physics

Law of Gravity

Required

13. Fossil fuels release a great amount of energy when burned. Fossil fuels are rich in which two elements?

1 point

silicon & iron

oxygen & carbon

iron & aluminum

hydrogen & carbon

Clear selection

14. What is coal mainly used for? *

1 point

transportation

electricity

heating

cooking

15. Which of the following are considered non-renewable resources? *

1 point

Hydroelectric

fossil fuels

Solar

Nuclear

Biomass

Required

16. Natural heat from the Earth is used to produce electricity and heat homes.This is an example of what type of energy resource. *

1 point

geothermal

solar

wind

hydroelectric

17. Pictured below, this type of resource uses the force of gravity and the movement of water to turn turbines and produce electricity. *

1 point

geothermal

solar

hydroelectric

biomass

18. Which below are examples of Biomass energy resources? *

1 point

crops

animal waste

trees

garbage

Required

19. Which of the following petrochemicals are made from refined oil? *

1 point

gasoline

glass

plastic

cosmetics

jet fuel

Required

20. which fossil fuel is mainly used to for heating? *

1 point

coal

oil

natural gas

21. If renewable resource are so great what would be a disadvantage to using them? *

1 point

They are not available in all locations

they are harmful to people

we have a limited supply

they create too much power

22. Which energy transfer happen in a wind turbine? *

1 point

chemical to electrical

chemical to radiant

mechanical to electrical

mechanical to thermal

23. Which below is a disadvantage to using petroleum as a resource for the U.S. *

1 point

creates energy dependence on other nations

causes air pollution

creates an excess of CO2 when burned raising global temperatures

pollutes our water supply

creates a large amount of energy for vehicles

Required

24. Energy transfer in a flashlight would be.... *

1 point

mechanical to electrical

chemical to radiant

chemical to thermal

nuclear to radiant

25. In a nuclear power plant, energy from the FISSION of atoms is used to create electricity. What is the primary source of fuel for this process? *

1 point

carbon

uranium

hydrogen

coal

26. Which of the following activities would INCREASE your carbon footprint? *

1 point

eating more meat products

driving a gas powered vehicle more often

turning off appliances when they are not in use

leaving your TV on when you are not watching it

keeping the windows and doors open in the winter time and cranking up the heat inside of the house

Required

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