This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Learn how different types of soil affect how animal tracks form in this experiment!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

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

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.