Biogeochemical Cycles Notes

Draw

Draw one step of the water cycle!

Poll

Who is your favorite superhero?

​Water

Cycle​

​Carbon

Cycle

​Nitrogen

Cycle​

Multiple Choice

Which gas makes up 78% of our atmosphere but can only be used by plants when fixed by bacteria first?

• Nitrogen

• Oxygen

• Carbon

• Helium

Multiple Choice

Which of these is NOT part of the hydrologic (Water) cycle?

• Ammonification

• Evaporation

• Transpiration

• Condensation

Multiple Choice

Which of these is NOT part of the carbon cycle?

• Forest Fires

• Runoff

• Cellular Respiration

• Photosynthesis

Multiple Choice

Which of the following biogeochemical cycles requires bacteria found in the roots of plants, like beans, in order for nutrients to cycle?

• Water

• Carbon

• Nitrogen

Multiple Choice

Which of the following is NOT a list of steps in the carbon cycle?

a. Combustion,

• Combustion, decomposition, and photosynthesis

• Combustion, evaporation, and respiration

• Decomposition, photosynthesis, and sedimentation

Multiple Choice

During the process of nitrogen fixation, nitrogen gas is converted to:

• Water

• Phosphorus

• Ammonia

• Carbon Dioxide

Multiple Choice

Which of the following is a sink for carbon?

• Ocean

• Rock

• Fossil Fuels

• Atmosphere

Multiple Choice

Which of the following is NOT a step in the nitrogen cycle?

• Nitrogen Fixation

• Decomposition

• Assimilation

• Denitrification

Multiple Choice

Which of the following is a step in the hydrologic (Water) cycle?

• Infiltration

• Ammonification

• Combustion

• Respiration

Multiple Choice

Which step in the carbon cycle removes carbon from the atmosphere?

• Respiration

• Combustion

• Fossilization

• Photosynthesis

Multiple Choice

Building cities results in large areas of land that are covered in cement or asphalt. What is the impact of this on the hydrologic cycle?

• An increase in runoff leading to less surface water

• A decrease in percolation leading to less groundwater

• An Increase in evaporation leading to more surface water

• A decrease in the transpiration leading to more groundwater

Multiple Choice

Which of the following is the correct combination of drive and store for a cycle?

• Sun…Fossil Fuels

• Plants…Ocean

• Bacteria…Atmosphere

• Plants…Atmosphere

Multiple Choice

Which process in the hydrologic (water) cycle describes the loss of water from the leaves of plants:

• Evaporation

• Transpiration

• Groundwater

• Percolation

Multiple Choice

Which process below does NOT release carbon dioxide into the atmosphere:

• Respiration (Breathing)

• Burning Fossil Fuels

• Decomposition of organic matter

• Consumption of nutrients (Eating)