Question 1

Where does the energy that powers the water cycle come from?

Accepted Answer

the sun

Answer

plants

Answer

animals

Answer

electrical outlets

Question 2

What is evaporation?

Accepted Answer

when water is heated and changes from liquid water to gaseous water vapor

Answer

when water vapor gets cold and changes back into liquid

Answer

when water freezes

Answer

when plants take up water from the soil

Question 3

What is the correct term for moisture that falls to the ground from clouds?

Accepted Answer

precipitation

Answer

hibernation

Answer

evaporation

Answer

condensation

Question 4

From where does most water evaporate?

Accepted Answer

oceans

Answer

rivers

Answer

puddles

Answer

lakes

Question 5

What is the correct term for rising water vapor meeting colder air and turning back into water droplets?

Accepted Answer

condensation

Answer

dehydration

Answer

evaporation

Answer

precipitation

Question 6

What are the 4 stages of the water cycle in order?

Accepted Answer

evaporation, condensation, precipitation, & run-off

Answer

precipitation, dehydration, evaporation, Run-Off

Answer

transpiration, dehydration, condensation

Answer

Run-off, condensation, precipitation, hibernation

Question 7

What is the correct term for plants releasing water from their leaves, which then evaporates?

Accepted Answer

Transpiration

Answer

impossible!

Answer

evaporation

Answer

condensation

Question 8

Carbon is a common component of

Accepted Answer

all of the choices

Answer

diamonds

Answer

the atmosphere

Answer

rocks

Question 9

How does the concentration of carbon dioxide in the atmosphere affect climate?

Accepted Answer

As carbon dioxide concentrations increase, temperatures increase.

Answer

As carbon dioxide concentrations increase, temperatures become more random.

Answer

As carbon dioxide concentration increase, temperatures decrease.

Answer

Carbon dioxide concentrations have no affect on climate.

Question 10

According to most scientists, activities like fossil fuel burning and deforestation have affected the global carbon cycle

Accepted Answer

true

Answer

false

Question 11

Which of the following processes does NOT add carbon to the atmosphere?

Accepted Answer

water pollution

Answer

burning fossil fuels

Answer

deforestation

Answer

breathing (respiration)

Question 12

Which of the following is NOT an example of a fossil fuel?

Accepted Answer

vegetable oil

Answer

natural gas

Answer

oil

Answer

coal

Question 13

What is deforestation?

Accepted Answer

the permanent removal of trees to make room for something besides forest

Answer

maintaining plants  in a forest

Answer

moving forests to another area

Question 14

Problem caused by increased levels of carbon dioxide & greenhouse gases in the atmosphere

Accepted Answer

Global Warming

Answer

Tornado

Answer

Hurricane

Answer

Global Cooling

Question 15

Continued depletion of the ozone layer will most likely result in

Accepted Answer

an increase in skin cancer among humans

Answer

a decrease in climatic changes

Answer

a decrease in atmospheric pollutants

Answer

an increase in marine ecosystem stability

Question 16

What is a biogeochemical cycle?

Accepted Answer

processes needed to sustain life on earth

Answer

A living process

Answer

cycles to transport rocks from one location to the next

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