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

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Science
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8th - 10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Combustion is a chemical process in which a substance reacts with oxygen to produce heat and light, often resulting in the release of gases such as carbon dioxide.
2.
FLASHCARD QUESTION
Front
What role do decomposers play in the carbon cycle?
Back
Decomposers break down dead organic matter, releasing carbon back into the atmosphere as carbon dioxide and enriching the soil.
3.
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, involving processes like photosynthesis, respiration, and decomposition.
4.
FLASHCARD QUESTION
Front
How does photosynthesis contribute to the carbon cycle?
Back
Photosynthesis allows plants to absorb carbon dioxide from the atmosphere and convert it into organic molecules, storing carbon in their tissues.
5.
FLASHCARD QUESTION
Front
What is respiration in the context of the carbon cycle?
Back
Respiration is the process by which living organisms convert organic molecules into energy, releasing carbon dioxide back into the atmosphere.
6.
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.
7.
FLASHCARD QUESTION
Front
What is the difference between biotic and abiotic components in the carbon cycle?
Back
Biotic components are living organisms (like plants and animals) that participate in the carbon cycle, while abiotic components are non-living elements (like air and soil) that also play a role.
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