Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

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

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.

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.

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.

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

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.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea investigates how color affects temperature.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea produces varying pitches of sound.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea identifies trees using a dichotomous key.

This science project allows students to study the psychology of happiness.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This science fair project idea explores the different properties of matter.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This science fair project idea examines the reason boats are shaped and engineered.