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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

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

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.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

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.

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