Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

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