Cycles in nature, Oxygen, Water, Nitrogen

Chemical process that animals and plants use to obtain energy.

• Transpiration

• Respiration

• Photosynthesis

• Percolation

• Denitrification

What organism is responsible for nitrogen fixation?

• plants

• humans

• bacteria

• viruses

• mice

Which cycle is shown in this diagram?

• Nitrogen

• Carbon

• Phosphorus

• Water

• Oxygen

Aiden, Olivia, and Luna are studying different cycles in their science class. They come across a diagram in their textbook. Which cycle do you think the diagram is representing?

• Nitrogen

• Carbon

• Phosphorus

• Water

• Oxygen

Olivia, Grace, and Abigail were at the beach on a hot summer day. They noticed that the water in their water bottles was decreasing even though they weren't drinking it. What is the process called by which the liquid water in their bottles was turning into a vapor and getting deposited into the atmosphere?

• Transpiration

• Respiration

• Photosynthesis

• Percolation

• Evaporation

The slow settling of water through rocks and minerals in the soil.

• Transpiration

• Respiration

• Photosynthesis

• Percolation

• Evaporation

Chemical process by which plants use sunlight to obtain sugars.

• Transpiration

• Respiration

• Photosynthesis

• Percolation

• Evaporation

Process by which water is pulled through the xylem of plants.

• Transpiration

• Respiration

• Photosynthesis

• Percolation

• Evaporation

Process by which water leaves the clouds and is deposited onto the ground by way of rain or snow.

• Weathering

• Run-Off

• Combustion

• Nitrogen-fixing

• Precipitation

The burning of fossil fuels.

• Weathering

• Run-Off

• Combustion

• Nitrogen-fixing

• Precipitation