Cycles of Matter

Question 1

Which best describes a role of animals in the water cycle?

Revolt · Accepted Answer

They release water vapor when they exhale.

Question 2

water vaporgroundwaterrunoffcondensation

Revolt · Accepted Answer

groundwater

Question 3

Which process occurs when bacteria converts nitrogen gas to a usable form?

Revolt · Accepted Answer

fixation

Question 4

precipitationtranspirationevaporationcondensation

Revolt · Accepted Answer

condensation

Question 5

How is the nitrogen cycle important to humans?

Revolt · Accepted Answer

It converts nitrogen into a form that humans can obtain by eating other organisms.

Question 6

Scott made a model of the water cycle by filling a tub with water, covering the tub with clear plastic, and placing a heat lamp over the tub. After a few days, he observed water droplets collecting on the plastic wrap.What process formed the water droplets in Scott’s model?

Revolt · Accepted Answer

condensation

Question 7

Some bacteria live in the roots of plants like soybeans and peas.

Revolt · Accepted Answer

to convert free nitrogen into usable nitrogen

Question 8

During which process of the water cycle does water change from a gas to a liquid?

Revolt · Accepted Answer

condensation

Question 9

Which human activity would most likely decrease the amount of carbon in the atmosphere?

Revolt · Accepted Answer

planting trees

Question 10

Kate wrote the steps of the carbon cycle to describe how carbon is cycled through specific organisms. The steps are in random order.1 - The rabbit decomposes.2 - The rabbit eats the carrot plant. 3 - The carrot plant takes in carbon dioxide from the air during photosynthesis.4 - Carbon compounds are returned to the soil.

Revolt · Accepted Answer

3, 2, 1, 4

Cycles of Matter Answers

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