Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

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

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

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

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

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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!

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

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

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Allow your first grader to get his artwork outdoors this summer by letting him create a garden art box for his arts and crafts supplies.

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

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!