This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

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

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This science fair project idea explores whether talking to a plant will help it grow.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Is it a square or a circle? See if you can trick your friends with this zany science project!

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this design challenge, your child will make a bottle rocket using typical household items.

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.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.