Dimensional Analysis
Fossil Fuels
Nuclear Energy
Renewable Energy
Wildcard
100

This is the amount of watts in a single kilowatt. 

What is 1,000?

100

Which of the three fossil fuels produces the least pollution in the form of particulate matter?

What is Natural Gas?

100
Classify nuclear as renewable or non-renewable

What is non-renewable?

100
This type of energy source is directly converted into electricity by photovoltaic cells.
What is sunlight? (Also will accept solar energy or solar power)
100

This country has the largest proven coal reserves.

What is the United States? 

200

This is the energy consumed in (kWh) when using 6kW for 4 hours?

What is 24 kWh?

200

The most used fossil fuel in the world.

What is petroleum (oil)?

200

This is the name of the metal used as an energy resource for nuclear reactors.

What is uranium-235? 

200

Name the top 3 renewable sources of energy in California.

What is solar, wind, and hydropower?

200

This is an example of a greenhouse gas.

What is methane (CH4)? What is carbon dioxide (CO2)? Will also accept CFCs or water vapor.

300

This is the equation for percent change. 

What is [ ( new value - old value ) / old value ] x 100 = % change ?

300

This is the type of coal that is considered the highest grade coal because it is nearly pure carbon. In many cases it is used for domestic heating. 

What is Anthracite coal?

300

True or False: Thermal energy is converted into mechanical energy and then to electrical energy, just like in coal-burning power plants.

What is true? 
300

What is the term that can differentiate biofuels and biomass within this category?  

What are deletable resources?

300

Which of the following is an environmental problem associated with abandoned coal mines?

What is acid mine drainage?

400

Ms.Burnett's house is roughly 1,245 ft2. This home requires 23 BTU / 1 ft2 hour of power for heating in the colder months. One cubic foot of natural gas provides about 1,000 BTUs of energy. Find the volume of natural gas per hour that is required to hear the home.

What is 28.6 ftnatural gas / hour ? (A value that is rounded differently within that range is acceptable).

400

Current global reserves of these 2 fossil fuel are expected to be largely exhausted within the next 60 years.

What is natural gas & oil?

400
This is one example of an environmental problem associated with the use of nuclear power to generate electricity.
What is disposal of radioactive waste? What is thermal pollution? What is the potential for accidents/meltdowns? (all are acceptable)
400

Name a drawback to using biofuels such as ethanol, as a fuel source. 

What is the high energy investment in producing and processing the crops needed for ethanol production ?

400

Describe an environmental problem associated with hydrologic fracturing, or fracking.

What is fracking fluids can escape and contaminate surface water and groundwater ?

500

Some of you watch Tik Tok for 5 hours a day . Let's say this requires 9 watts of electricity. The cost of electricity is $0.35 per kilowatt-hour (kWh). Find the yearly cost of watching Tik Tok. 

What is $5.75? (A value rounded differently within this range is acceptable)
500

These are the steps of burning natural gas like methane to converting into electricity.

What is burn the gas --> heat water --> create steam --> turn a turbine --> run a generator --> produce electricity? 

500

Why is the ability to do work in nuclear reactions is much greater than from the burning of fossil fuels?

The extremely high energy density of uranium-235.

500

This is a type of renewable energy source that is NOT derived directly or indirectly from solar energy.

What is geothermal energy?

500

The separation of certain components of crude oil is generally done so by utilizing the difference of this. 

What is boiling point? 

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