In this biology worksheet, 9th graders name the type of cancer one can get from too much sun. Then they explain how sunlight affects the aging of the skin. Students also describe what the SPF number indicates on sunscreen lotions.

9th Science 4 Views 19 Downloads
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Reginald W.
I was at a crossroads trying to think of a new… interesting… active way to introduce and teach the different types of economic systems. I turned to Lesson Planet and entered “Economic Systems” into the search tab and was inundated with resources and lesson plans and ideas… the kids loved the lesson I modified for them and still ask when we are going to do another lesson like that “Paper Airplane Company” one. Thanks Lesson Planet.
Reginald W., Teacher - Department Chairperson
Humble, TX