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

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

This fun and easy quiz show game will help your fifth grader memorize and study vocabulary from their math, science, social studies, and language arts classes!

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

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Here's a homemade bulletin board project to help your fourth grader's school year start off right.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.