Water Cycle
Nitrogen Cycle
Grab Bag!
Phosphorus Cycle
Carbon Cycle
100

Water falling to the earth from clouds it is known as what?

What is precipitation.

100

What is wrong with atmospheric nitrogen?

What is "we can't use it".

100

What do biological systems do to matter within the biosphere, allowing matter to recycle?

What is "they transform it", or change what form it comes in.

100

The majority of the phosphorus in the world is stored in what?

What is rocks.

100

Which biological process do plants use to take in carbon dioxide from the atmosphere and get energy?

What is photosynthesis.

200

Once that water falls to the ground it can do what two things?

What is groundwater or runoff.

200

What living organism "fixes" the nitrogen into a form that we can use?

What is bacteria (either in the soil or in the roots of legumes).

200

What percentage of Earth's water is fresh water?

What is 3%.

200

Phosphorus is used in what genetic part of our bodies?

What is forming DNA and RNA.

200

Name two ways that carbon is released into the atmosphere using biological processes?

What is cellular respiration and decomposition.

300

How does ocean/lake water return to the atmosphere?

What is evaporation.

300

Animals get most of the nitrogen they need by what?

What is "consuming plants or other animals that have the nitrogen".

300

The Law of Conservation of Mass states what?

Matter can not be created or destroyed.

300

What must happen to the rock in order for plants to absorb the phosphorus within them?

What is break down into soil.

300

Humans have contributed more carbon to the carbon cycle by doing what?

What is burning fossil fuels.

400

Which is the process called what clouds are formed?

What is condensation.

400
Besides bacteria, ________________ also fixes nitrogen and creates a loud rumble at the same time.

What is "lightning".

400

What is the largest carbon sink (where we find the majority of Earth's carbon) on Earth?

What is "the ocean."

400

Herbivores and carnivores obtain phosphorus by doing what?

What is "consuming plants and/or animals that have phosphorus".

400

How do herbivores and carnivores get the carbon that they need?

What is "by consuming plants and/or animals that have carbon".

500

What is "evapotranspiration"?

What is "when leaves release water."

500

Nitrogen is used in the body to make what?

What is DNA and proteins.

500

What is it called when large amounts of phosphorus in lakes cause algae blooms and death of animals due to lack of oxygen?

What is "eutrophication".

500

Phosphorus is returned to the rock cycle from plants and animals by what?


Decomposition of plants/animals or feces/waste.

500

Why do we need carbon?

What is "to form DNA and proteins" or in sugars for energy.