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Chapter 7: Energy

Enzymes
Each time you chew food, glands in your mouth produce saliva that contains the enzyme amylase. Do the experiment to observe how this enzyme breaks down starch into glucose.

New England Aquarium
Read about the mysterious depths of the ocean, then create your own deep-sea vent.

Unit 2: Electricity and Magnetism

Electrical Safety Web
Visit this site provided by the National Electrical Safety Foundation. Take the safety quiz and learn more about how to make your home safe from electrical hazards.

Electricity: A Convenient form of Energy
Follow the link to this site for more information about electricity. In your Science Journal, list the characteristics of electricity that make it a useful form of energy.

Earth & Sky Program List for 1998
At this site you can listen to a radio show about magnetism. Click on the link for Sunday, November 15, 1998 to find the program.

What is a Magnet?
Access this site for more information about magnets and how they are used. What is the difference between a permanent and a temporary magnet? How is an electromagnet created?