Earth Cycles

Which process in the hydrologic cycle involves water turning into vapor?

• Precipitation

• Evaporation

• Condensation

• Runoff

Tags

NGSS.MS-ESS2-4

What is the main gas taken in by plants during photosynthesis in the carbon cycle?

• Oxygen

• Nitrogen

• Carbon dioxide

• Methane

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Nitrogen fixation is the process where:

• Ammonia is converted into nitrates

• Nitrogen gas is converted into a usable form for plants

• Nitrates are converted back to nitrogen gas

• Plants absorb nitrogen from the soil

Tags

NGSS.MS-LS2-3

Which process returns carbon to the atmosphere by burning fossil fuels or organic matter?

• Respiration

• Combustion

• Photosynthesis

• Assimilation

Tags

NGSS.MS-ESS3-4

In the hydrologic cycle, water that soaks into the ground is called:

• Runoff

• Infiltration

• Condensation

• Transpiration

Tags

NGSS.MS-ESS2-4

The process where water vapor cools and changes into liquid droplets is called _______.

• Condensation

• Evaporation

• Sublimation

• Precipitation

Tags

NGSS.MS-ESS2-4

The process by which plants release water vapor into the atmosphere is called _______.

• Transpiration

• Photosynthesis

• Condensation

• Respiration

The bacteria that convert ammonia into nitrates in the nitrogen cycle perform ________.

• nitrification

• denitrification

• ammonification

• photosynthesis

Tags

NGSS.MS-LS2-3

When organisms die, decomposers convert nitrogen in their bodies back into ammonia through ________.

• ammonification

• nitrification

• denitrification

• assimilation

Tags

NGSS.MS-LS2-3

The process that converts nitrates back into nitrogen gas is called ________.

• denitrification

• nitrification

• ammonification

• assimilation

Tags

NGSS.MS-LS2-3