Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

This science fair project idea compares biodiversity between drops of water.

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this activity your child will create their very own marble maze!

This science fair project idea examines the reason boats are shaped and engineered.