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

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

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

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!

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.

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.

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

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.

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.

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

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