This site about food poisoning discusses Staphylococcus Aureus - what it is, where the common sources of "staph" are, common symptoms, and what can be done to prevent contamination and infection.

Although this project is not based on actual fossils, you will get good practice at reconstructing an animal's skeleton from individual bones. The goal of this science project is to identify the types of prey that are consumed by owls by...

Read about the different predators, consumers, and producers that make up an ocean food chain.

Explains the characteristics of food chains and food web; the different levels of producers, consumers, and decomposers; and the differences between food chains and food webs. Includes charts and a Venn diagram comparing the two.

Scientists at Harvard University recently invented a robot shaped like the letter "X" that can change its color to blend in with its surroundings. While this robot is currently limited to operating within a laboratory, it could...

Review the flow of energy through ecosystems with this study guide.

Learn about how the population of a state is related to the energy consumed by studying these maps in this lesson plan.

Learn about the many uses of magnets in medicine, consumer goods, and industry.

This activity is designed to accompany an interactive on the Annenberg Learner website. Students investigate the changes that take place in an ecosystem when they alter the organisms in a food web. As they work with the simulation, they...

Describes how a food chain works in a desert and how the Mojave desert food chain works in particular.

Learn more about the author Henry David Thoreau when you explore this resource. This site provides links to lesson plans and activities for some of his works.