The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

How powerful is the reaction between baking soda and vinegar? Find out here!

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Test whether cutting up meats will make it cook faster than just cooking it whole.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

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

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.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.