This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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?

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.

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

This little chick is so cute that your child will want to make a whole flock to call her own.

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

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

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Use familiar household items and decorations to turn estimation into a fun game!

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

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!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

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.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."