Which sphere only contains frozen water?

What powers the water cycle?

In which sphere would you find sand, mountains, or molten rock?

In which sphere would you find trees, worms, and mushrooms?

Clouds and wind belong to which sphere?

What percentage of nitrogen makes up the atmosphere?

What important element are all living things made from?

What carbon-rich molecules do plants create using carbon dioxide in the atmosphere?

Name the biological process that releases oxygen into the atmosphere?

What is name of the process that occurs when water vapor changes state into liquid water?

What is name of the process that occurs when liquid water changes state into water vapor?

List the 5 layers of the atmosphere in order from closest to farthest away from Earth’s surface.

Which layer of the atmosphere is the coldest?

If you’re traveling to space, what is the last layer of the atmosphere that you will pass through?

Excessive amounts of carbon dioxide released into the atmosphere contributes to the reduction of which sphere?

Which layer of the atmosphere does weather occur in?

What percentage of oxygen makes up the atmosphere?

The evaporation of water through the leaves of a plant is known as _________.

What percentage of water on Earth is salt water?

What percentage of water on Earth is fresh water?

What percentage of water on Earth is accessible and drinkable?

What is the word “Geo” the Greek word for?

What is the word “atmos” the Greek word for?

Give an example of a type of precipitation.

Which of the following releases carbon dioxide into the atmosphere?

Carbon dioxide can be dissolved in water.

Which of the following organisms breaks down dead remains of plants and animals, and recycles carbon and nitrogen in the environment?

Which biogeochemical cycle does lightning play a role in?

Photosynthesis and cellular respiration are processes involved in which biogeochemical cycle?

The ocean is the largest carbon sink on the planet.

The most abundant form of Nitrogen on Earth is a...

Only matter is cycled in the biogeochemical cycles.

All organisms require what element to make amino acids?

The process of converting nitrates into nitrogen gas is known as...

Besides matter, what else is transformed and cycled in the biogeochemical cycles?

One human activity that releases Carbon dioxide into the atmosphere is:

Which of the following elements is least abundant in the biosphere?

Coal, oil, and natural gas are all examples of these.

Phosphorous is most commonly found in which sphere?

Animals obtain the phosphorous that they need by:

Besides the sun, the Earth receives its energy from which of the following sources?

The burning of fossil fuels coupled with deforestation increases the amount of what gas in the atmosphere?

Where is the ozone layer located?

Runoff, transpiration, and precipitation occur in which biogeochemical cycle?

What is the most abundant element in the Earth's crust?

Which sphere is not involved in the Phosphate Cycle?

What process makes Nitrogen available to plants and animals?

Which sphere is snow, ice, glaciers, and polar ice caps a part of?

Which process releases Nitrogen gas?

What is the name of a system that sequesters and stores large amounts of carbon from the atmosphere?

During a volcanic eruption, carbon dioxide and water vapor are released into the air. What 3 spheres are interacting?

If the cryosphere shrinks due to climate change, what effect will it have on the geosphere?

What part of the atmosphere protects us from harmful U.V. rays?