Composting

Green materials are high in _________ and brown materials are high in ___________.

• carbon, nitrogen
• nitrogen, carbon
• carbon, oxygen
• oxygen, carbon

Examples of brown materials include

• newpapers
• pine needles 
• leaves
• All of the above

Examples of green materials include

• chicken feces
• food scrapes
• coffee grinds
• All of the above

It is important to have equal parts of brown matter than green matter.  The brown and green matter should be alternated in layers.

• True
• False

Moisture helps the compost pile to decompose

• slower
• faster

Composting occurs

• within hours
• within a few days
• over an extended period of time
• only when you turn the pile

The composting pile must

• stay cool
• get HOT
• stay at a moderate temperature
• stay moist and cold

Which organism help to breakdown or decompose waste and dead organisms?

• The organisms and waste breakdown on their own.
• Only fungi
• Only bacteria
• Fungi, bacteria and other decoposers such as worms and beetles.

What is the role of decomposition in the environment?

• Decomposition isn't really that important.  It simply makes waste and dead organisms smaller so they don't take up as much room.
• When organisms are decomposed, the nutrients such as carbon and nitrogen are returned to the soil.
• Composition just makes new soil.
• When organisms decompose they return the food they ate to the environment.

The graph shows temperatures in a composting bin.
 
During which days is the most composting happening? 

• May 8 to May 9
• May 9 to May 15
• May 30 to June 2
• June 2 to June 6