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• RajKumar

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Energy Touches Everything TOTAL POINTS 10

1.

Video: World's Most Asked Questions: What Is Energy?

1 point

Please watch the video to answer questions 1-3. Energy is the ability to

Do everything All of the above Use your motions Do work

2.

Which of the following was not an example of work in the video?

1 point

Patty Melt Track Race Phone and Computer Stomp Rocket

3.

What type of energy does the log contain in the video?

1 point

Chemical energy Mechanical energy Kinetic energy Nuclear energy

4.

The sun heats the earth with ______ light. infrared

1 point

5.

What greenhouse gas has over 100x the efficiency of carbon dioxide to reflect light back to the

1 point

earth? Water vapor Methane None of the above Nitrous oxide

6.

What is the average life span a methane molecule spends in the atmosphere?

1 point

1 year 100 years 8 years 12 years

7.

Which of the following is not a source of renewable energy used for U.S. electricity generation?

1 point

Geothermal Solar Hydro Biomass None of the above

8.

100% of nuclear electric power is used in the residential and commercial sector. (T/F)

1 point

True False

9.

What source of energy makes up the largest percentage of electricity generation today and why? Renewables, since it is the safest and newest source of electricity generation. Coal, because it can still be used in remote locations where there isn’t much electricity. Natural Gas, since it gives off a lot of energy and can be transported through pipes.

1 point

Nuclear, since it offers a big amount of energy while maintaining a low-carbon energy infrastructure.

10. Potential energy is the energy that something possesses due to its motion. (T/F) True False

1 point