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

Check out this cool and free middle school science fair project idea on how to make a solar oven.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

In this design challenge, students will be tasked with creating a bouncy ball polymer!

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

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.

Did you know magnifying glasses are magic? This hands-on activity has kids using magnifying glasses to engage with the world around them and look close to examine what they find.

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.

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!

This science fair project idea explores the different properties & interactions of sugar molecules.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

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.

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.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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.

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.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea determines what household items are good conductors of electricity.

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

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.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!