First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

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!

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.

Make edible amber fossils with your second grader to explore the fascinating world of science!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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

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

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 science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Test whether plants can grow without sunlight and water.

In this project children practice the scientific method while playing with puffy paint.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

How do organic materials become soil? This science experiment measures what materials biodegrade.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

This project determines what category of person is most likely to be ticklish.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.