Test your knowledge of ozone layer science and ozone depletion in this crossword puzzle. You may print out the puzzle, the clues, and the words.

Clues

Across

3. Microscopic animals harmed by excess ultraviolet (UV)

6. Especially harmful band of UV radiation

11. One atom of this can destroy over 100,000 ozone molecules

12. Unnatural thinning of the ozone layer by human activities

13. Skin ___: One of the worst health effects of too much sun

14. ___ conditioning: One type of equipment that used chlorofluorocarbons (CFCs)

15. Unit for measuring column ozone

17. ___osphere: Part of the atmosphere containing the ozone layer

Down

1. The southernmost continent; location of the ozone hole

2. Wind pattern over Antarctica that isolates the ozone hole

4. Ozone ___: region containing most atmospheric ozone

5. Montreal ___: Treaty protecting the ozone layer

7. Chemical that makes methyl bromide an ozone-depleting substance

8. Molecule that absorbs UVB radiation from the sun, protecting Earth

9. A substitute for CFCs that's much less damaging to the ozone layer

10. Ultra___: Harmful solar radiation

16. Measure of how much a chemical harms the ozone layer