Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

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

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

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.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

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

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.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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.