Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

This simple experiment serves as an introduction to the greenhouse effect.

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.

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

Help your child celebrate the summer and the sun by making a sandy seascape.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

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!

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

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

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

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

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Check out this cool science fair project on identifying rocks and minerals for kids.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

How well can people recall what they have observed. Test your knowledge in this fun experiment.