Biogeochemical cycles

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.

• Water
• Atmosphere
• Sun
• Air

Tags

NGSS.HS-ESS2-6

Combustion is another word for _______________.

• a train
• a bus
• a dog
• burning

Tags

CCSS.RI.11-12.4

CCSS.RI.9-10.4

CCSS.RL.11-12.4

CCSS.RL.8.4

CCSS.RL.9-10.4

How does the carbon in grass become part of a lion?

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

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following removes carbon from the atmosphere?

• Combustion
• Respiration
• Photosynthesis
• Death

Tags

NGSS.MS-LS1-6

Organisms that do not decompose can be buried and become what?

• water
• nutrients
• air
• fossil fuels

Tags

NGSS.MS-LS4-1

How much of the atmosphere is composed of nitrogen gas?

• 87%
• 38%
• 78%
• 21%

How do plants get the nitrogen they need?

• from the air
• from the soil or water in which they live
• from the Sun
• from broken-down rocks

Tags

NGSS.MS-LS2-1

Nitrogen fixing bacteria, lives in nodules on the root of a plant called

• Broccoli
• Legumes
• Beats
• Carrots

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What converts some atmospheric nitrogen into nitrates that organisms can use?

• Sun
• Rain
• Thunder
• Lighting

Tags

NGSS.MS-LS2-3

Growing legumes such as alfalfa or soy beans increases

• denitrification
• nitrogen fixation
• ammonification
• ammonium oxidation

Tags

NGSS.MS-LS2-3