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.

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

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

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.

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 open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

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 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 science fair project idea compares biodiversity between drops of water.

This science fair project will help students learn about non-vascular plants, such as mosses.

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

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Do different types of oil mix or stack? Find out in this science fair project idea!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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

Learn with makes water molecules work with this fun and easy science activity!

In this science fair project, students use the streak test to tell minerals apart from each other.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

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

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

This science fair project idea investigates how color affects temperature.