Environmental Science Unit 2.1 - biogeochemical cycles

Flashcard
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Science
•
9th Grade
•
Hard
+8
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a biogeochemical cycle?
Back
A biogeochemical cycle is the movement of elements and compounds through living organisms and the physical environment, involving biological, geological, and chemical processes.
Tags
NGSS.MS-ESS2-1
NGSS.MS-LS1-6
NGSS.MS-LS2-3
2.
FLASHCARD QUESTION
Front
Why is burning fossil fuels harmful?
Back
It increases the amount of carbon dioxide and greenhouse gases in the air.
Tags
NGSS.MS-ESS3-5
3.
FLASHCARD QUESTION
Front
Which process does not add CO2 to the atmosphere?
Back
Planting trees.
Tags
NGSS.MS-LS1-6
4.
FLASHCARD QUESTION
Front
What percentage of Earth's oxygen is produced by phytoplankton?
Back
More than half of Earth's oxygen is created by phytoplankton in the ocean.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
5.
FLASHCARD QUESTION
Front
What is precipitation?
Back
Precipitation is the process of water falling out of clouds in our atmosphere and returning back to Earth.
Tags
NGSS.MS-ESS2-4
NGSS.MS-ESS2-6
6.
FLASHCARD QUESTION
Front
What type of energy is involved in pushing a filing cabinet across the room?
Back
Mechanical energy.
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
7.
FLASHCARD QUESTION
Front
What is the greenhouse effect?
Back
The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases in the atmosphere.
Tags
NGSS.MS-ESS3-4
NGSS.MS-ESS3-5
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