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

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

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 idea determines what household items are good conductors of electricity.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

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

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.

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.

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.

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.

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.

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

Find out whether matte or shiny nail polish lasts longer.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.