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PPT
Curated OER

The Influence of Human Activity on the Environment

For Teachers 4th - 8th
The surge in human population in the last 2,000 years, due in large part to better health care, has brought a surge in the demand for resources and in pollution. The graphics, photographs, and real-life examples in a thought-provoking...
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Worksheet
Curated OER

Sample Midyear Examination (Chemistry and Biology)

For Students 7th - 12th
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...