Make sourdough bread...and learn some colonial history and modern science in the process!

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

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.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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

An home science experiment for older students that teaches about the science behind heat.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This easy at-home experiment is a great way to "see" science.

This science fair project idea examines liquids of different densities.

This science project teaches students to classify different shapes of leaves.

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

This science fair project idea compares biodiversity between drops of water.

This science project idea examines the effect of microwaving on various objects.

The purpose of this science fair project is to build a basic radio.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores the egg's thin membrane.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.