Chemistry in the Environment: Gauging Student Needs K-W-L Chart What do you think you know about Environmental Issues (global warming, ozone hole, air pollution, etc.)? [Possible Student Responses] The earth is getting warmer Glaciers and Ice caps are melting There is an ozone hole Global warming and the ozone hole are due to man’s actions Air Pollution is a problem Cars cause air pollution Air pollution is caused by humans Acid rain causes statues to erode Acid rain can burn your skin Some air pollution is from natural causes CO2 is a greenhouse gas. Recycling helps reduce waste. What questions do you wonder about Environmental Issues? [Possible Student Responses] Why can’t we just replace the ozone in the stratosphere? How can we stop putting CO2 into the atmosphere? How is the ozone layer being depleted? What can be recycled? What are some other gases that cause global warming? Does everyone think we are the cause of global warming? What will happen if global warming continues? Has this increase in temperature happened before? What have you learned about how you can impact Environmental Issues?