Expose your class to the steps of the nitrogen cycle with this short clip. Colorful computer imagery and animation explain how nitrogen travels from the atmosphere as a gas into plants and soil, where bacteria convert it into nitrates....

Garbage, recycle, compost: Does it really matter where we put our trash once we are done? By making detailed observations over seven weeks, kids will see which materials break down naturally to become a healthy part of the soil, and...

Although the lesson is specifically about the San Francisco Bay area, it's good enough to be adapted to any local region. Children research what the landscape in San Francisco was like prior to settlement, they consider the types of...

Students write from an animal's perspective. In this writing lesson students explore the landscape of San Francisco prior to the arrival of the explorers. Students research animals indigenous to the area.

Students investigate healthy eating habits by researching livestock. In this food sustainability lesson, students research the negative impact factory farming has on our environment due to pollution. Students define agricultural...

The concept of a how pesticides and other chemicals pass through a watershed can be difficult for younger learners to grasp without a concrete example. In the activity here, some blank paper, markers, and a spray bottle are all you need...

Bingo isn't just a silly game, it's a great way to practice all types of skills. After reviewing that the earth is composed of natural resources, what those natural resources are, and sustainability, the class plays a game of bingo. The...