Science Worksheets and Study Guides Sixth Grade. Our impact on earth

The resources above correspond to the standards listed below:

Pennsylvania Standards

PA.4. Environment and Ecology
4.2. Watersheds and Wetlands
4.2.6.C. Identify natural and human-made factors that affect water quality.
4.5. Humans and the Environment
4.5.6.D. Explain the costs and benefits of recycling in controlling resource use.