Ch. 2.3 Google Slides

Ch. 2.3 Google Slides

Multiple Choice

What is it called water heats up and turns into a water vapor

• Condensation

• Evaporation

• Runoff

• Precipitation

Multiple Choice

The process when plants release water through their leaves back into the air is called

• evaporation

• precipitation

• transpiration

• condensation

Multiple Choice

Rain, sleet, snow and hail are all examples of

• Precipitation

• Condensation

• Groundwater

• Evaporation

Multiple Choice

What is it called when water vapor cools down and turns back into a liquid

• Precipitation

• Runoff

• Condensation

• Evaporation

Multiple Choice

Plants use _____________ to make their own food during photosynthesis.

• water
• energy from the Sun
• CO2
• water, energy from Sun, CO2

Multiple Choice

Animals and plants use substances that cycle through the environment.  Which substance is needed by plants to survive and is released into the environment by animals?

• oxygen
• sugar
• salt
• carbon dioxide

Multiple Choice

Which statement is true about the carbon dioxide-oxygen cycle?

• animals breathe in nitrogen and release oxygen which is used by plants
• animals breathe in oxygen and release carbon dioxide which is used by plants
• animals breathe in nitrogen and release carbon dioxide which is used by plants
• animals breathe in carbon dioxide and release oxygen which is used by plants

Multiple Choice

Which type of organism gets its energy directly from the Sun?

• producer
• consumer
• composer
• decomposer

Multiple Choice

After plants and animals contain nitrogen, what puts it back into atmosphere and soil?

• decomposition
• precipitation
• condensation
• bacteria

Multiple Choice

If the atmosphere is 78% N₂, why can't we just get our nitrogen by breathing?

• We have no mechanism to break the triple bond of nitrogen between the atoms.
• Our lungs would be damaged by the N2.
• We need Oxygen for cellular respiration.
• The legumes take it up first.

Multiple Choice

Organisms that need nitrogen to survive

• only plants
• only animals
• only bacteria
• all living organisms

Multiple Choice

How much of the atmosphere is composed of nitrogen gas?

• 87%
• 38%
• 78%
• 21%

Multiple Choice

What role do decomposers play in the phosphorous cycle?

• absorb phosphorous 
• release phosphorous into atmosphere
• return phosphorous into the soil
• combustion

Multiple Choice

Which of the following statements is true of the phosphorus cycle?

• Phosphorus enters the atmosphere as phosphates.
• The phosphorus cycle utilizes the processes of erosion, and weathering.
• Phosphates are used in carbohydrate and glucose storage.
• The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.

Multiple Choice

Phosphorous is passed from plants to ____ who eat them

• plants
• animals
• scavengers