This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Learn all about balance and motion as your child designs a corn maze!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project teaches students about wilting and browning of salad greens.

Use pepper and soap to discover some fun facts about the properties of water.

This science fair project will help students learn about non-vascular plants, such as mosses.

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

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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 demonstrates that plants give off water.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.