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In this forensics activity, learners solve a mystery using “DNA” taken from the scene of the crime.

In this activity (on page 6 of the PDF), learners plot the path of the sun's apparent movement across the sky on two days, with the second day occurring two or three months after the first.

This activity helps the learner answer the question: "What environmental problems arise due to animal and human overpopulation and what might need to be done to combat these problems?" Learners play a

In this activity, learners will simulate the processes of the water cycle at home in a plastic sandwich bag.