Water Cycle
Carbon Cycle
Nitrogen Cycle
Phosphorus Cycle
Grab Bag
100

During the water cycle, what is the process by which clouds release water in the form of rain, sleet, snow?

Precipitation
100

In the carbon cycle, what is the primary gas released into the atmosphere from the burning of fossil fuels?

Carbon dioxide

100

What is the most abundant gas on Earth, making up approximately 78% of the air we breathe?

N2 gas

100

What is the primary source of phosphorus in the phosphorus cycle?

Earth's crust

100

What element, crucial to all living organisms, plays a role in the water, carbon, and nitrogen cycles?

Oxygen

200

What term describes the process by which water vapor rises into the atmosphere from the Earth's surface?

Evaporation

200

What is the primary process by which carbon dioxide is absorbed by plants?

Photosynthesis
200

In the nitrogen cycle, what is the process by which nitrogen gas is converted into ammonia by bacteria?

Nitrogen fixation

200

How does phosphorus trapped in rock become available for biological uptake?

Weathering

200

What are the 2 energy sources involved in photosynthesis and cell respiration?

sun and ATP

300

What is the primary energy source that drives the water cycle, causing evaporation and transpiration?

Sun/solar/heat

300

What is the name for the process by which humans burn fossil fuels?

Combustion

300

What is the term in the nitrogen cycle when ammonia is converted into nitrates and nitrites?

Nitrification

300

Wind blows over rocks in the desert creating smooth playas, what is this process an example of?

Physical/mechanical weathering

300

What is the process by which soil nitrates are converted back into nitrogen gas?

Denitrification

400

What part of the water cycle describes the movement of water through plants an its subsequent release into the atmosphere?

Transpiration

400

How do living organisms return carbon dioxide to the atmosphere?

Respiration

400

Nitrogen-fixing bacteria live in the roots of what kind of plants?

Legumes

400

What form of phosphate is taken up by plants?

Phosphates 

400

Lightning is a part of which cycle?

Nitrogen

500

What is the term for the processes by which water enters the soil and becomes part of the groundwater?

Infiltration

500

What is the name for something that removes more carbon from the atmosphere than it releases? An example being fossil fuels.

Carbon sink

500

What is the process in which nitrogen runoff causes the overgrowth of algae in an aquatic ecosystem?

Eutrophication

500

Identify at least 2 biological molecules that require phosphorus.

Nucleic acids, phospholipids, ATP

500

What is the best horror movie franchise?

Scream