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Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This science fair project idea produces sounds by creating vibrations using different objects.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea examines whether boys and girls differ in reflexes.

Test whether plants can grow without sunlight and water.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This science fair project idea experiments with spinning color wheels and optical illusions.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

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

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

This science fair project idea provides evidence that air is everywhere and takes up space.