Unit 2: Biogeochemical Cycles Review
Authored by Jill Russ
Science
6th - 8th Grade
NGSS covered
Used 13+ times
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65 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the nitrogen cycle important to humans?
It produces free nitrogen that humans can breathe.
It converts nitrogen into a form that humans can obtain by eating other organisms.
It produces nitrogen compounds that humans can breathe.
It converts nitrogen into a form that humans can obtain by absorbing it through their skin.
Tags
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which phrase best describes the biosphere?
the rocks on land and in the water
the plants on land and in the water
the animals in the air, on land, and in the water
the organisms in the air, on land, and in the water
Tags
NGSS.MS-LS2-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which interaction involves only one of Earth’s spheres?
Plant roots take in water from the soil.
Plants take in carbon dioxide from the air.
During photosynthesis, plants make food and release oxygen into the air.
Energy stored in plants is transferred to humans and animals that eat them.
Tags
NGSS.MS-LS2-3
NGSS.MS-ESS2-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Some bacteria live in the roots of plants like soybeans and peas. What is the role of these bacteria in the nitrogen cycle?
to absorb nitrogen-containing compounds from the soil
to release free nitrogen into the atmosphere
to break down nitrogen-containing compounds in dead organisms
to convert free nitrogen into usable nitrogen
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kate wrote the steps of the carbon cycle to describe how carbon is cycled through specific organisms. The steps are in random order. Which lists the steps in order?
2, 3, 1, 4
3,2,1,4
3,4,2,1
2,4,3,1
Tags
NGSS.MS-LS2-3
NGSS.MS-LS1-6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A rock collection comes from which part of Earth?
atmosphere
biosphere
geosphere
hydrosphere
Tags
NGSS.MS-ESS2-1
NGSS.MS-ESS1-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The cryosphere is part of which sphere of the Earth system?
atmosphere
biosphere
geosphere
hydrosphere
Tags
NGSS.MS-ESS2-4
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