Log in
Sign up for FREE
arrow_back
Library

z1.02 Carbon Source or Sink? 25-26

star
star
star
star
star
Last updated about 3 hours ago
15 questions
Note from the author:
Required
1.25
Required
1.25
Required
1.25
Required
1.25
Required
1.25
Required
1.25
Required
1.25
Required
1.25
Required
1.25
Required
1.25
Required
1.25
Required
1.25
Required
5
Required
2
Required
3
The carbon cycle is the movement of carbon through various reservoirs.



Carbon sources release carbon into the atmosphere.

Carbon sinks remove carbon from the atmosphere.


Consider the following items and identify them as a carbon sink or source.
Question 1
1.
Plants: __________
Plants absorb carbon from the atmosphere through photosynthesis.
Question 2
2.
Animals: __________
Animals release carbon into the atmosphere through respiration
Question 3
3.
Ice sheets: __________
Ice sheets release carbon that was capture in the ice as bubbles.
Question 4
4.
Algae: __________
Algae take in carbon from the atmosphere through photosynthesis.
Question 5
5.
Forest fires: __________
Burning forests release carbon into the atmosphere
Question 6
6.
Cars: __________
Most cars burn fossil fuels which release carbon into the atmosphere.
Question 7
7.
Soil: __________
When plants die and decompose, much of their carbon is stored in the soil
Question 8
8.
Fossil fuels: __________
Fossil fuels store carbon that was removed from the atmosphere by plants.
Question 9
9.
Volcanoes: __________
Volcanic eruptions release carbon into the atmosphere.
Question 10
10.
Deforestation: __________
Cutting down trees reduces the amount of carbon that can be removed from the atmosphere.
Question 11
11.
Oceans: __________
Carbon dioxide dissolves easily into water
Question 12
12.
Sedimentary rocks: __________
Sedimentary rocks suh as limestone and dolomite contain calcium carbonate (a form of carbon).
Question 13
13.

For thousands of years, the balance between sources and sinks kept the Earth at a temperature that was ideal for living things.


What could happen if carbon sources and sinks become unbalanced? Give at least 2 examples.

Question 14
14.

Humans are a large source of carbon.

Go to the Footprint Calculator and answer each question to the best of your ability.

When you get to your results, click "See Details" or switch to the "Fact and Figures" tab.


What is your carbon footprint?

Question 15
15.

Switch to the "Solutions" tab and read through the solutions.

Describe one thing you could commit to in order to reduce your carbon footprint.