Biogeochemical Cycles
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
+7
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the nitrogen cycle?
Back
The nitrogen cycle is the process by which nitrogen is converted between its various chemical forms, including nitrogen fixation, nitrification, denitrification, and ammonification, allowing nitrogen to be reused in ecosystems.
Tags
NGSS.MS-LS2-3
2.
FLASHCARD QUESTION
Front
What is nitrogen fixation?
Back
Nitrogen fixation is the process of converting atmospheric nitrogen (N2) into ammonia (NH3) or related compounds in soil, making nitrogen available for plants.
3.
FLASHCARD QUESTION
Front
What is ammonification?
Back
Ammonification is the process by which organic nitrogen from dead organisms and waste is converted into ammonia (NH3) by decomposers.
Tags
NGSS.MS-LS2-3
4.
FLASHCARD QUESTION
Front
What is leaching in the context of biogeochemical cycles?
Back
Leaching is the process by which soluble nutrients, such as phosphorus, are washed out of the soil and into water bodies.
Tags
NGSS.MS-ESS2-4
NGSS.MS-LS2-1
NGSS.MS-LS2-3
5.
FLASHCARD QUESTION
Front
What is diffusion in the carbon cycle?
Back
Diffusion is the process by which carbon dioxide (CO2) is absorbed from the atmosphere into the ocean and released back into the atmosphere.
Tags
NGSS.HS-ESS2-6
NGSS.HS-LS2-5
6.
FLASHCARD QUESTION
Front
What role do decomposers play in biogeochemical cycles?
Back
Decomposers break down dead organic matter, returning nutrients to the soil and making them available for plants.
Tags
NGSS.MS-LS2-3
7.
FLASHCARD QUESTION
Front
What is the importance of biogeochemical cycles?
Back
Biogeochemical cycles are essential for recycling nutrients in ecosystems, ensuring that essential elements are available for living organisms.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
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