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.

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

In this project, a basketball containing different psi is dropped to see how well it bounces.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project idea investigates how the shape of an object affects drag.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.