For this environment worksheet, students distinguish between UV-A, UV-B, and UV-C radiation and explain. Then they list various explanations of the source of ozone depletion. Students also describe why an increase in smog ozone does not...

In this human impact on the environment worksheet, students fill in the blanks to complete sentences about how humans have negatively affected the environment. They complete sentences about the actions taken to reduce and repair the...

In this variables in experiments worksheet, students read about control variables and experimental variables before they respond to 15 graphic organizer and short answer questions.