This science fair project idea investigates how magnetism can defy the force of gravity.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

This science fair project idea determines what household items are good conductors of electricity.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this experiment you will replicate the mummification process by making a hot dog mummy.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This science fair project idea explores substances that cause a bubble to last longer.

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.