What is nuclear fusion?
Energy Sources and The Environment

Flashcard
•
Science
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Nuclear fusion is a process where two light atomic nuclei combine to form a heavier nucleus, releasing energy. It is the process that powers the sun.
2.
FLASHCARD QUESTION
Front
What is the primary challenge of using nuclear fusion as an energy source?
Back
The biggest challenge in using nuclear fusion as an energy source is achieving and maintaining the extremely high temperatures required for the reaction to occur.
3.
FLASHCARD QUESTION
Front
What percentage of energy in the U.S. comes from natural gas combustion?
Back
About 1/4 of the energy in the U.S. comes from the combustion of natural gas.
4.
FLASHCARD QUESTION
Front
Which fossil fuel is considered the cleanest burning?
Back
Natural gas is considered the cleanest burning fossil fuel.
5.
FLASHCARD QUESTION
Front
What is biomass?
Back
Biomass refers to renewable organic matter, such as wood, agricultural crops, and waste, that can be used as a source of energy.
6.
FLASHCARD QUESTION
Front
What are some products of petroleum that are not used in energy production?
Back
Products of petroleum not used in energy production include grease and plastic.
7.
FLASHCARD QUESTION
Front
What is the environmental impact of burning fossil fuels?
Back
Burning fossil fuels releases greenhouse gases, contributing to climate change and air pollution.
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