CFA 4.3 Matter and Energy in Ecosystems Review
Authored by Kim Cruse
Science
7th Grade
NGSS covered
Used 10+ times
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14 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 2 pts
In a closed ecosystem, if there is more sunlight then
there will be more photosynthesis.
there will be less photosynthesis.
there will be more abiotic carbon (CO2) in the air.
there will be less abiotic carbon (CO2) in the air.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If the sun is shining through a biodome (air, plants, animals, and decomposers) in a closed ecosystem
only photosynthesis is occurring.
only cellular respiration is occurring.
both photosynthesis and cellular respiration are occurring.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A tank of water is filled with fish, algae, water plants, snails, and bacteria. The tank is a closed ecosystem. If light is shining into the tank, then
energy storage molecules will increase.
energy storage molecules will decrease.
energy storage molecules will stay the same.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A tank of water is filled with fish, algae, water plants, snails, and bacteria. The tank is a closed ecosystem. If light is shining into the tank, then
carbon will move into the water only.
carbon will move out of the water only.
carbon will move into the water and out of the water at the same time.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A tank of water is filled with fish, algae, water plants, snails, and bacteria. The tank is a closed ecosystem. If the tank is covered so that no light enters it then
energy storage molecules will increase.
energy storage molecules will decrease.
energy storage molecules will stay the same.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A tank of water is filled with fish, algae, water plants, snails, and bacteria. The tank is a closed ecosystem. If the tank is covered so that no light enters it then
abiotic carbon in the water will increase.
abiotic carbon in the water will decrease.
abiotic carbon in the water will stay the same.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process moves abiotic carbon (CO2) into biotic carbon (energy storage molecules) in an ecosystem?
photosynthesis
cellular respiration
both photosynthesis and cellular respiration
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
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