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How do organic materials become soil? This science experiment measures what materials biodegrade.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Here's an arts and crafts guide for your high-school teenager that'll help her create a naturalist drawing and painting.

Science fair project that determines whether brain size is correlated with intelligence.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

I scream, you scream, we all scream for homemade spearmint ice cream!

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Investigate which substances are most effective at removing salt from water.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Give your budding young observers a chance to discover simple machines at use in their own home.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

In almost every preschool classroom is a sensory table. Learn how to make one at home!