Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

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

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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.

Stringy orange ghoul guts are actually a healthy and gross-looking appetizer for your child's Halloween party.

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!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.