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!

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.

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.

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

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.

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

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.

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

This project tests the hypothesis that dark colors absorb more heat than light colors.

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!

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!

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