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

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Test whether plants can grow without sunlight and water.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

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

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.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.