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 hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.