Vocabulary
Water cycle
Carbon Cycle
Nitrogen Cycle
Miscellaneous
100
The changing of a liquid into a gas.
What is evaporation?
100
Water that is stored in tiny holes, or pores, in soil and rocks.
What is groundwater?
100
The continuous exchange of ____________ among living things is the carbon cycle.
What is carbon?
100
in the proteins that make up muscles, skin, nerves, bones, blood, and enzymes
What is nitrogen found in living things?
100
Part of all the basic materials associated with living things, including sugars, fats, and proteins.
What is carbon?
200
The changing of a gas into a liquid.
What is condensation?
200
Water evaporates from ___________ and bodies of _______.
What are land and water?
200
The form that carbon is found in the atmosphere.
What is carbon dioxide?
200
78%
What is the percentage of nitrogen in our air?
200
Some nitrates may turn back into ____________ gas and release into the atmosphere.
What is nitrogen?
300
Any form of water that falls from the atmosphere and reaches the ground, such as rain, sleet, snow, or hail.
What is precipitation?
300
After evaporation, the gas changes into water droplets which gather with dust particles forming clouds.
What is condensation?
300
Plants take carbon dioxide from the ________.
What is air?
300
Nitrogen can't be used until it is changed, or ___________.
What is fixed?
300
Ammonia
What does bacteria turn nitrogen gas into?
400
An area from which water is drained after precipitation has fallen upon the surface of the earth and collected on the land.
What is a watershed?
400
When the water becomes too heavy and drops out of the clouds.
What is precipitation?
400
Humans and other animals obtain carbon by _____________ plants and animals.
What is eating?
400
Nitrogen fixation
What is the breaking apart of nitrogen?
400
Ammonia and Bacteria changes into _____________.
What is nitrites?
500
Precipitation that flows across the land's surface and is not absorbed and flows into rivers, lakes or streams.
What is runoff?
500
The precipitation either goes from the watershed to be ______________ or ___________ into a body of water.
What are groundwater and runoff?
500
Carbon is released into the atmosphere through _______________ from plants and animals and ______________ from the burning of fossil fuels.
What respiration and combustion?
500
three things that can fix nitrogen
What is lightning, volcanic activity, and bacteria?
500
Bacteria changes nitrites into _______________ which plants can use to start the nitrogen cycle again.
What is nitrates?
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