The Ozone

Question 1

Where can Ozone be found?
What is Ozone?

Answer 1

1. The Stratosphere.
2. O3, a molecule in our atmosphere that absorbs incoming UV radiation.

Question 2

How does Ozone form?
How does Ozone break down?

Answer 2

1. Light converts O2 into 2O, which combines with another O2 molecule to create O3.
2. Incoming UV radiation breaks up ozone. It breaks O3 into O2+O+heat energy.

Question 3

What are the four effects of ozone layer depletion?

Answer 3

1. Excess radiation kills phytoplankton and plants.
2. ## Collapse of global food systems due to the aforementioned effect.
3. Increased skin cancer rates.
4. Weaker immune systems.

Question 4

What are the chemicals damaging the ozone layer, and how do they work?

Answer 4

1. They are called Cholofluorocarbons. (CFCs)
2. The chlorine (Cl) in CFCs degrades the O3 back into its original form-> O2+2O.

Question 5

Where is the ozone hole today?

Answer 5

The ozone hole is located over Antarctica during the warmer seasons.
Ozone is thinner globally.

Question 6

What is the 1987 Montreal Protocol in regards to the Ozone Layer?
When will the ozone hole be repaired?

Answer 6

1. The Montreal Protocol was a UN agreement to ban CFCs.
2. Roughly 2070.