Ecosystem Energy and Matter Quiz

What is the process called when water vapor cools and changes back into liquid droplets?

• Evaporation

• Condensation

• Precipitation

• Transpiration

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DOK Level 1: Recall

Which stage of the water cycle involves water turning into vapor and rising into the atmosphere?

• Condensation

• Precipitation

• Evaporation

• Transpiration

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DOK Level 1: Recall

What is the term for the process by which plants release water vapor into the air through their leaves?

• Evaporation

• Transpiration

• Condensation

• Precipitation

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DOK Level 1: Recall

In the nitrogen cycle, what is the process called when nitrogen gas is converted into ammonia by bacteria?

• Nitrification

• Denitrification

• Nitrogen Fixation

• Ammonification

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DOK Level 1: Recall

Which of the following is a step in the nitrogen cycle where ammonia is converted into nitrites and nitrates?

• Nitrogen Fixation

• Nitrification

• Denitrification

• Ammonification

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DOK Level 1: Recall

What is the process called when water falls from the atmosphere to the Earth's surface as rain, snow, sleet, or hail?

• Evaporation

• Condensation

• Precipitation

• Transpiration

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DOK Level 1: Recall

Which process in the nitrogen cycle involves the conversion of nitrates back into nitrogen gas?

• Nitrogen Fixation

• Nitrification

• Denitrification

• Ammonification

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DOK Level 1: Recall

What is the role of decomposers in the nitrogen cycle?

• They fix nitrogen gas into ammonia.

• They convert ammonia into nitrites.

• They break down dead organisms, returning nitrogen to the soil.

• They convert nitrates into nitrogen gas.

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DOK Level 1: Recall

Which of the following is NOT a stage of the water cycle?

• Evaporation

• Transpiration

• Combustion

• Condensation

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DOK Level 1: Recall

What is the primary source of energy that drives the water cycle?

• Wind

• Sun

• Moon

• Earth's core

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DOK Level 1: Recall