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 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.

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!

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!

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

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

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

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

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

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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.

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!

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.

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

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

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

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

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

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

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!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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