Check out this cool science fair project on identifying rocks and minerals for kids.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

This science project allows students to study the psychology of happiness.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

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

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This project investigates the affect of storage temperature on microwave popcorn.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Examine the effect of pressure on carbonation in soda.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Discover which fabrics shrink the most in the wash and why.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.