Biogeochemical Cycles Lesson

Open Ended

What do you observe happening in this video? Describe the changes you see. Where do you think the matter that was once the the deer is going?

Multiple Choice

Which of the following is NOT an example of a biogeochemical cycle?

• Carbon cycle

• Nitrogen cycle

• Water cycle

• Rock cycle

Open Ended

Why are biogeochemical cycles important for maintaining life on Earth?

Multiple Choice

Which process in the carbon cycle is responsible for removing CO2 from the atmosphere?

• Photosynthesis

• Respiration

• Decomposition

• Volcanoes

Labelling

Look at the carbon cycle diagram. What parts help move carbon through the air and living things above the ground?

Drag labels to their correct position on the image

Trees

Burning Fossil Fuel/Emissions

Sun

Plant Respiration

Dead Organisms

Animal Respiration

Fossils and Fossil Fuels

Multiple Select

Which of the following are roles of bacteria in the nitrogen cycle?

• Nitrogen fixation

• Nitrification

• Denitrification

• Photosynthesis

Open Ended

What are two ways humans influence cycles of matter as shown in the slides?