Grade 7: Science: Life Systems

The Sierra Club has focused on nature and the outdoors for over 100 years. Here you can learn about current campaigns to protect the environment.

The National Audubon Society is a conservation organization created to protect birds and their habitats. Learn more about the organization's many programs, check out the electronic field trips it offers, and find out more about the issues it supports, including the Living Oceans campaign.

Find out what you can do to help the Rainforest Alliance protect the plants and wildlife of the world's rainforests.

The National Wildlife Federation is a large, member-supported conservation group dedicated to uniting individuals and organizations to protect nature and wildlife. Check out the contents of this site, which includes classroom resources and activities, environmental activism information, and games and riddles for kids.