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This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project idea explores the different properties & interactions of sugar molecules.

Construct and experiment with a periscope using reflected light rays to gather an image.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science fair project idea investigates the hardness property of minerals.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project examines how seeds hitchhike on animals and clothing.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

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

The goal of this project is to create an exciting topographical map out of dough.

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.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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 experiment tests which gender is better at catching how a magician performs his tricks.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!