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

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

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

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Learn whether writing things down really makes things easier to remember.

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

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Will the shape of an ice cube impact how fast the ice melts?

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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 project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.