Global Cycles of Matter

Open Ended

What role does photosynthesis play in the carbon cycle?

Multiple Select

What processes release carbon to the atmosphere? (choose 3)

• cellular respiration

• photosynthesis

• combustion

• decomposition

Open Ended

What is one way that carbon from living things returns to the environment?

The Water Cycle

Multiple Choice

How are evaporation and condensation similar?

• Both involve a change in the state of water between liquid and gas

• Both involve a change in the state of water between liquid and solid

• Both involve a change in he state of water between gas and solid

Multiple Choice

When the water returns to the Earth's surface in the form of rain or snow, it affects our weather and makes it hotter.

• True

• False

Labelling

Label the steps of the water cycle.

Drag labels to their correct position on the image

runoff and collection

precipitation

evaporation

condensation

Nitrogen Cycle

Multiple Choice

During nitrogen fixation, nitrogen compounds are converted to nitrogen gas.

• True

• False

Open Ended

How nitrogen gas returns to soil?

Oxygen Cycle

Multiple Choice

Humans are not involved in the oxygen cycle.

• True

• False

Multiple Choice

Why do almost all living things need oxygen?

• To perform cellular respiration

• To enjoy fresh air

• To breath properly

• To perform photosynthesis

Multiple Choice

What are some processes involved in the cycling of matter?

• Photosynthesis

• Nitrogen fixation

• cellular respiration

• All are correct

• None is correct

Multiple Choice

What are some types of matter that cycle through the environment?

• Water

• Carbon

• Oxygen

• Nitrogen

• All are correct

Multiple Choice

The function of bacteria is to:

• A. prevent nitrogen from harming the plants

• B. remove nitrogen from soil

• C. remove oxygen from soil

• D. return nitrogen to system

Multiple Choice

The answer to question 3 is:

• A

• B

• C

• D