How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea experiments with spinning color wheels and optical illusions.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Make a spring collage with your child to get them outside and those creative juices flowing!

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

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

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

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

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

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 teaches about mold. Students will test different foods to see which grow mold the fastest.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

In this project students experiment with making music using only glasses of water.

This science fair project idea determines if the color of light affects the growth of plants.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.