Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

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

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

This science fair project idea investigates the relationship between memory and age.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science fair project idea determines if the color of light affects the growth of plants.

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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter