Have you ever wondered why chemistry is so important? Why do we study chemistry? We all are made of chemicals and everything around us is made of chemicals. Everything we hear, see, smell, taste, and touch involves chemistry and chemicals (matter).
Impact of Chlorofluorocarbons (CFCs) on the ozone layer:
It's a strange thing to think about, but have you ever wondered what would happen if the ozone layer suddenly wasn't there? Here's a hint: Getting a bad sunburn would be the least of your problems.
What if the ozone layer disappeared?
https://science.howstuffworks.com/science-vs-myth/what-if/what-if-ozone-layer-disappeared.htm
Complete the Check and Reflect questions #1 - 10 on page 75
Next: You are now ready to move on to complete the Unit Review- Self-Test and once you feel prepared after reviewing the course material for sections A2.1-2.5, you are ready for test permission for A2 Unit Test
For Test permission- you must bring the following to a Science teacher:
Notes on Sections A2.1- A2.5
Completed Learning Activities
Completed Labs/Investigations (2 for this section)
Completed Unit Review- Self-Test
Upon completion of A2 Unit test you will be ready to move on to complete Sections A3.1- A3.4