What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

Science fair project that determines whether mass and weight are the same or different.

Demonstrate how to tell the age of an egg without having to crack it open.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

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.

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

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

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.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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 examines the relationship between frequency of spider web vibration and spider's response time.

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 fair project idea examines which type of insulation holds in the most heat.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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.

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