What is combustion?
Matter and Energy in the Environment # 4

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Science
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8th - 10th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Combustion is a chemical process in which a substance reacts rapidly with oxygen and releases energy in the form of heat and light. It is commonly associated with burning fossil fuels.
2.
FLASHCARD QUESTION
Front
What is the carbon cycle?
Back
The carbon cycle is the process by which carbon is exchanged among the atmosphere, land, water, and living organisms. It involves processes like photosynthesis, respiration, and decomposition.
3.
FLASHCARD QUESTION
Front
How does burning fossil fuels affect the carbon cycle?
Back
Burning fossil fuels adds carbon dioxide to the atmosphere, which can contribute to climate change and global warming.
4.
FLASHCARD QUESTION
Front
What is the role of decomposers in the carbon cycle?
Back
Decomposers break down dead organic matter, returning carbon to the soil and atmosphere, thus playing a crucial role in recycling carbon.
5.
FLASHCARD QUESTION
Front
What is photosynthesis?
Back
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of carbon dioxide and water, releasing oxygen as a byproduct.
6.
FLASHCARD QUESTION
Front
What is respiration in the context of the carbon cycle?
Back
Respiration is the process by which living organisms convert glucose and oxygen into energy, producing carbon dioxide and water as byproducts.
7.
FLASHCARD QUESTION
Front
What is the significance of atmospheric carbon dioxide levels?
Back
Atmospheric carbon dioxide levels are significant because they influence global temperatures and climate patterns. Increased levels can lead to global warming.
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