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Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

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.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

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!

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.

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.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

Have your child kick off their summer vacation by making a miniature water slide!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.