The Water Cycle
Water/Carbon Cycles
Carbon/Nitrogen Cycles
Nitrogen Cycle/Global Warming
Miscellaneous
100
The movement of water from a lake to the sky is called ___
What is evaporation?
100
Name three water reservoirs.
What are oceans, glaciers, groundwater, lakes, rivers, soil moisture, & the atmosphere.
100
Name one carbon reservoir other than the earth's crust.
What is the atmosphere, soil, plants, etc.
100
Name one thing humans are doing that is causing ecosystems to lose nitrogen.
What is deforestation, conversion of grassland to farmland/plant removal, etc.?
100
Water droplets that accumulate around your glass of soda present an example of ___?
What is condensation?
200
Rain, snow, and hail are forms of ___.
What is precipitation?
200
What is an example of a contaminant that pollutes river and lake water?
What is sewage, animal wastes, agricultural chemicals (fertilizers/pesticides), etc.
200
This type of harmful precipitation is formed from nitrogen that had accumulated in a cloud. It damages plants and pollutes aquatic habitats.
What is acid rain?
200
What is the main reservoir of nitrogen?
What is the atmosphere?
200

Name a gaseous form of carbon 

What is carbon dioxide or methane?

300
Which is more abundant on earth, saltwater or freshwater?
What is saltwater.
300
By what process is carbon dioxide released by an organism into the air?
What is aerobic respiration?
300
Nitrogen is primarily found in what state of matter?
What is gas?
300
Name a greenhouse gas.
What is carbon dioxide, nitrous oxide, methane, chlorofluorocarbons, etc?
300
These can be dug up from the ground and burned as a source of energy.
What are fossil fuels?
400
Evaporation of water from plant parts is called ___.
What is transpiration?
400
By what process is carbon transformed into sugars?
What is photosynthesis?
400
What is the most abundant element in the earth's atmosphere?
What is nitrogen?
400
The process by which greenhouse gases absorb infrared energy and emit it toward earth's surface is known as the ___.
What is the greenhouse effect?
400
Water that flows over the ground into streams is known as ___.
What is runoff or groundwater?
500
The biggest water reservoir is the ___.
What is the ocean?
500
What is the largest carbon reservoir?
What is the earth's crust?
500
The movement of carbon in water from the upper ocean into the bottom of the sea is caused by ocean ___?
What are currents?
500
Name a human activity that is suspected to be contributing to global warming.
What is burning fossils fuels, using gasoline, overusing electricity, etc.?
500
Is most of earth's freshwater found in solid or liquid form?
What is solid form?
M
e
n
u