Water, Nitrogen, and Carbon

Biogeochemical Cycles

Water, Nitrogen, and Carbon

Water Cycle Directions: Fill in the chart below. Start with water in the ocean and show how that water returns to the ocean. After filling in the flow map, describe the processes listed below (IN YOUR OWN WORDS).

a)  Condensation: ______

b)  Evaporation: ______

c)  Transpiration: ______

d)  Precipitation: ______

e)  Percolation: ______

f)  Runoff: ______

Nitrogen Cycle

Nitrogen Cycle Directions: Below is a chart of the nitrogen cycle. Use the chart as well as the book to help identify the vocabulary words below. You must also include the organisms that perform the task and where they perform the task.

Atmospheric Nitrogen’s Chemical Formula: ______

Nitrate’s Chemical Formula: ______

Ammonia’s Chemical Formula: ______

Ammonium’s Chemical Formula: ______

a)  Nitrogen Fixation: ______

b)  Nitrification: ______

c)  Assimilation: ______

d)  Ammonification: ______

e)  Denitrification: ______

Plant and Animal Uses of Nitrate: ______

Carbon Cycle

Carbon Cycle Directions: Below is a chart of the Carbon Cycle. A carbon sink is any place/thing where carbon is stored. A carbon source is any place/thing where carbon is released. Use the chart and book to help answer the questions below.

a) Describe photosynthesis in your own words. Who performs photosynthesis?

b) Describe respiration in your own words. Who performs respiration?

Fill in the Chart Below:

Sinks of Carbon / Sources of Carbon