Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.