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Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This science fair project idea explores how length affects the weight a bridge can hold.

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.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

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 create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.