Biogeochemical Cycle of the Earth

How does carbon dioxide leave the atmosphere?

• Through transpiration
• Through photosynthesis
• Through factory emission
• Sunlight

Tags

NGSS.MS-LS1-6

What is the main human source that emits Carbon Dioxide?

• Combustion of fossil fuels (natural gas, coal, and oil)
• Cement Production
• Deforestation

Tags

NGSS.HS-ESS2-6

All of the following increase the amount of carbon dioxide in the atmosphere except __.

• photosynthesis
• slash and burn clear cutting
• burning of fossil fuels
• burning of wood for heating

Tags

NGSS.MS-LS1-6

How does carbon in a grass plant get into a lion?

• The lion eats the grass
• Carbon from grass doesn't end up in a lion. 
• The carbon ends up in the food the lion eats. 
• The lion breathes in carbon given out by the plant

Tags

NGSS.MS-LS2-3

Nitrogen-rich fertilizers and manure can cause water pollution.

• True
• False

Tags

NGSS.MS-LS2-5

What is happening at 1?

• respiration: releasing CO₂
• decomposing CO₂ in the soil
• photosynthesis: absorbing CO₂
• turning CO₂ from the atmosphere into organic molecules

Tags

NGSS.MS-LS1-6

Identify the cycle pictured.

• The Water cycle
• The Carbon cycle
• The Nitrogen cycle
• The Phosphorus cycle

What is the energy source for the water cycle?

• the sun
• the earth
• water
• the moon

Tags

NGSS.MS-ESS2-4

What is B?

• Evaporation
• Condensation
• Precipitation
• Runoff

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Nitrification happens in the ______

• Air 
• Soil 
• Ground Water 
• Plants 

Tags

NGSS.MS-LS2-3