Forty classroom-ready science teaching and learning activities for elementary and middle school teachersGrounded in theory and best-practices research, this practical text provides elementary and middle school teachers with 40 place-based activities that will help them to make science learning relevant to their students. This text provides teachers with both a rationale and a set of strategies and activities for teaching science in a local context to help students engage with science learning and come to understand the importance of science in their everyday lives.

Acid Rain
Acid rain

Science Background

Water pollution comes in many forms. Some are obvious and highly visible, like an oil spill or trash floating in a lake. Other forms of water pollution are less obvious and may be more difficult to detect, such as hot water discharge from a factory (thermal pollution) or acid rain. Acid rain is not obviously pollution, but it can cause great damage to water ecosystems by lowering the pH of the water. Acid rain is rain that has been made acidic by certain pollutants in the air. An acid is a substance that has a low pH. The scale for measuring pH runs from zero (the most acidic) to 14 (the most basic or least acidic). A substance that has a ...

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