Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

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

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

This project determines what category of person is most likely to be ticklish.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

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

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.