Water
Carbon
Nitrogen
Phosphorus
Misc
100

Powers the water cycle 

the Sun 

100

The chemical reaction that removes Carbon Dioxide from the air and produces Oxygen gas as a waste product.

Photosynthesis

100

The process in which bacteria and lightning make Nitrogen available for plants 

Nitrogen Fixation 

100

The phosphorus cycle is the only one that does not have which location as a major reservoir? 

Atmosphere

100

What nutrient is 70% of the Earth's surface? 

Water

200

The process in which liquid turns into a gas

Evaporation

200

 Carbon exists in the atmosphere as this compound

CO2

200

What farming product is nitrogen often found in?

Fertilizer 

200

What is the term for phosphorus when it is in a form that can be taken in and used by plants and animals?

Phosphate

200

Which 2 nutrients can cause algal blooms if enough is captured in runoff?

Nitrogen and phosphorus

300

The process in which a gas turns into a liquid

Condensation

300

This step of the carbon cycle is done by all living organisms.

Cellular respiration

300

How are nitrates/nitrites different from nitrogen gas?

Nitrates (NO3-)  and nitrites (NO21) are combined with other elements besides nitrogen.

Nitrates and nitrites can be taken in and used by living organisms like plants and animals.

300

Weathering is a specific form of ______________.

Erosion

300

Which nutrient has the largest impact of global climate change?

Carbon (CO2)

400

Define transpiration 

Evaporation of water within the leaves, flowers, and stems of plants (via the stomata)

400

What are the three products of a combustion reaction?

Light, heat, CO(usually)

400

What important molecule does nitrogen help create for all living things?

DNA 

400

Most of the world's phosphorus is stored in ___________

Rocks/sediment 

400

Where in the human body can most of our phosphorus be found?

Bones and teeth

500

An underground river moving through the soil towards a lake would be an example of ____________ 

Aquifer

or 

Groundwater flow

500

What is the largest carbon reservoir? 

Oceans

500

How much of the Earth's atmosphere is made up of Nitrogen?

78%

500

What is eutrophication?

The mass death of organisms caused by an over abundance of nutrients in an ecosystem.

500

Write down the chemical formula for photosynthesis

6 H2O + 6 CO2   --------> C6H12O+ 6 O2

    Sunlight

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