This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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

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

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

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

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

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

In this activity, your child will be challenged to make a tower using paper cups.

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!

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 project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

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

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

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

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

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

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.

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.

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

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 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 purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.