For this HIV and AIDS worksheet, students answer ten multiple choice questions about the populations most affected by HIV and AIDS, the costs to aid people with the disease and the number of people affected in 1998 by the disease.

Hold a discussion in your class about the increase in mercury being found in fish that are caught commercially as food for humans. Given a worksheet, learners then calculate how much fish a person can safely eat each month to remain...

Exactly how environmentally friendly is your school? From the air fresheners in the bathrooms to the cleaning solvents used in the classrooms, young conservationists search the school grounds for sources of air pollution in...

In this science worksheet, students read the brochure that is concerned with the concept of food safety. The dangers and advantages are discussed.

Now you see it, now you don't! The stick bug exhibits the ability to disappear into a wooded environment. Why does this adaptation manifest in some species, but not in others? Life science students explore animal adaptations in nature...

How do the changing seasons affect the homes where we live? This question is at the forefront of engineering and design projects. Challenge your physical science class to step into the role of an architect to build a model home...