Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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

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

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

The goal of this project is to create an exciting topographical map out of dough.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Slip some science into storm watching with a homemade rain gauge!

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!