In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

This science fair project idea identifies clouds as a means of predicting the weather.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Do you think heat can affect a plant's growth rate?

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Discover whether a metal will expand under hot water.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

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.

This project explores ways to prevent static electrical shocks.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Science fair project in which you will start a fire from scratch without using matches or a lighter.