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4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This science fair project idea determines which method of hand cleansing is the most effective.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

Test out various brands of permanent markers to see which one is least water soluble.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Think about the adaptive utility of an important aspect of our physiology.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Start thinking about how the internet works by assembling an Ethernet cable of your own!

Help your child celebrate the summer and the sun by making a sandy seascape.