This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This holiday season, don't forget the many delights of "cookie science"! Here's a confection we especially like.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Try a fun Mother's Day game for moms and kids to play together!

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Learn how to make sushi at home, and turn dinner into a social studies lesson for everyone.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

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

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Explore the neural and mental mechanisms at play in mental imagery.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

A science scavenger hunt can be a fun way to learn about science. Test your child's knowledge of scientific terms with this science scavenger hunt.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This three-part debate book is designed to hold two conflicting points of view on an issue that concerns you, along with possible solutions.

This science fair project idea measures physical dexterity as a function of temperature.

The objective of this science project is to investigate patterns in fingerprints among family members.