Test whether plants can grow without sunlight and water.

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

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project teaches students the differences between fruits and vegetables.

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

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.