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

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

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

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

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

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

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.

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.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

This science fair project idea produces varying pitches of sound.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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.

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

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.

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Learn all about balance and motion as your child designs a corn maze!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science fair project idea investigates whether plants can survive being frozen.