In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Your child can use Styrofoam, green paint and toothpicks to create her own cactus plant sculpture.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair project teaches students about wilting and browning of salad greens.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

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

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

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

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.

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.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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.

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.

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