10-6, 10-7 & 10-8 Water Cycle, Nitrogen Cycle and Carbon Cycle Quiz

1. What do scientists call the process in which water droplets form into clouds?

• Evaporation
• Condensation
• Precipitation
• Transpiration

2. Which of the following acts can contribute to the production of acid rain?

• Eutrophication
• Nitrogen Fixation
• Burning Fossil Fuels
• Nitrification

3. What do scientists call the process in which water droplets enter the air from lakes and oceans?

• Condensation
• Evaporation
• Precipitation
• Runoff

4. What term do scientists use to describe bacteria converting ammonium to nitrite and nitrate ions?

• Eutrophication
• Nitrogen Fixation
• Burning Fossil Fuels
• Nitrification

5. What term do scientists use to describe the process bacteria use to convert nitrogen gas to ammonium in the soil?

• Eutrophication
• Nitrogen Fixation
• Burning Fossil Fuels
• Nitrification

6. What the ultimate source of energy for all the cycles and the ecosystems

• the sun

• The air

• the water

• Nuclear power

7. What are some forms of nitrogen fixation

• bacteria

• lightening

• decomposition

• none of the above

8. Which of the following processes takes carbon from CO2 and converts it to organic carbon compounds to support living organisms?

• Photosynthesis
• Respiration
• Carbon Cycle
• Nitrogen Cycle

9. Which of the following processes breaks down carbon compounds to convert the chemical energy stored in those compounds into a useful form of energy stored in a molecule called ATP?

• Photosynthesis
• Respiration
• Eutrophication
• Nitrogen fixation

10. Which of the following processes are examples of human impact on the carbon cycle?

• Cement Production
• Deforestation
• Ocean Pollution
• All of the above