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

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Challenge your learner to design and build a city of their own in this creative engineering activity.

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

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

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!

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

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

Have your child kick off their summer vacation by making a miniature water slide!

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this design challenge, your child will create a parachute for a small toy using typical household items.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

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

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 experiment will evaluate if chewing gum affects students' test performance.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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.

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!

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.