The Water, Oxygen and Carbon Cycles

When liquid water turns into a gas it is called...

• condensation

• evaporation

• precipitation

• percolation

The downward pull of water through the soil due to gravity is called...

• precipitation

• surface runoff

• percolation

• condensation

Rain, snow, sleet and hail are all examples of...

• evaporation

• condensation

• percolation

• precipitation

When percolating water dissolves nutrients and carriers them down to the water table, it is know as ___________________.

Explain how a cloud is formed.

The process by which plants produce oxygen for humans and animals is called ___________________________.

The process by which humans and animals produce carbon dioxide is called _____________________________.

Which of the following processes put carbon dioxide into the atmosphere?

• combustion

• photosynthesis

• cellular respiration

All carbon that is contained within livings things is known as...

• inorganic carbon

• organic carbon

List the 3 main storage areas of inorganic carbon.