Earth's Systems

Eutrophication is

• too few nutrients in a body of water.

• too many nutrients in a body of water.

• high acid levels in a body of water.

• high alkalinity levels in a body of water.

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NGSS.MS-LS2-1

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Eutrophication is caused by...

• fossil fuel burning in power plants.

• automobiles burning fossil fuels.

• over fertilizing farm fields.

• limestone rocks in a body of water.

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Chemicals that contribute to eutrophication include... (pick all that apply)

• dissolved Oxygen.

• phosphorous

• nitrogen.

• sulfuric acid.

What is it called when plants give off water vapor as a waste product?

• condensation
• evaporation
• sublimation
• transpiration

What process is shown by letter B in the diagram?

• condensation

• transpiration

• evaporation

• precipitation

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NGSS.MS-ESS2-4

Carbon enters the soil through dead plant or animal matter.

• Decomposition

• Respiration

• Photosynthesis

• Diffusion

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NGSS.MS-LS2-3

Combustion is another word for __________.

• Transportation
• Respiration
• Fossil Fuels
• Burning

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

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How do  animals get nitrogen?

• the atmosphere 
• eating other organisms
• bacteria
• lightning 

What converts nitrogen into a useable form for plants and animals?

• bacteria
• fungi
• rain

Tags

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