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

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

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

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

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.

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

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

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

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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!

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

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

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

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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.

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!

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!

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

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.