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

This science fair project idea determines which method of hand cleansing is the most effective.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

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?

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.

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!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science fair project teaches students the differences between fruits and vegetables.

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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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!

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

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.