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.

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

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

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.

In this activity, your child will write stories about two different people. The stories will include similarities and differences in the ways each person lives in their communities.

No big beach party or a sudsy seafood feast should be without this bright, colorful tablecloth!

Encourage your child to create a tribute to their past, and explore future dreams and goals with this narrative assemblage.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Decorate your porch or backyard with this unique fall craft!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Here's an Easter themed math game to reinforce your child's logical reasoning and place value skills.

Using a toy race car kids create a visual model of the Doppler Effect.

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

In this fun math activity, second graders will learn to estimate items in a jar! 

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

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.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Let your future scribe's imagination run wild! Children have a hard time understanding fact versus fiction, and writing a tall tale can help.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.