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This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

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

In this experiment we will be determining whether birds prefer certain colors of seed.

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.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

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

Find out whether putting something on top of a plant will inhibit its growth.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project idea explores whether talking to a plant will help it grow.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

In this project students experiment with making music using only glasses of water.