Biogeochemical Cycles

Which is NOT a process of the water cycle?

• precipitation
• freezing
• transpiration
• evaporation

Tags

NGSS.MS-ESS2-4

The process of plants losing water through their leaves is called ____.

• condensation
• evaporation
• transpiration
• exhaling

Tags

NGSS.MS-LS2-3

What is the most abundant gas in the atmosphere?

• hydrogen
• oxygen
• helium
• nitrogen

Nitrogen that is not combined with other elements and found in the atmosphere as gas is _____.

• free nitrogen
• nitrogen compounds
• ammonia
• nitrates

Where are denitrifying bacteria found?

• In the soil
• Root nodules
• In dead things
• In the atmosphere

Where are nitrogen-fixing bacteria found?

• In the soil
• Root nodules
• In dead things
• In the atmosphere

What happens during the process of nitrogen-fixation?

• Nitrogen compounds turn into free nitrogen
• Free nitrogen turns into nitrogen compounds

What happens during the process of denitrification?

• Nitrogen compounds turn into free nitrogen
• Free nitrogen turns into nitrogen compounds

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the only process that removes carbon from the atmosphere?

• combustion
• cellular respiration
• photosynthesis
• decomposition

Tags

NGSS.MS-LS1-6

Which cycle are fossil fuels (oil, coal, natural gas) part of?

• carbon

• water

• nitrogen

• phosphorus

Tags

NGSS.MS-ESS3-1