Fourth graders examine how haze is formed and what it does to humans. They participate in a game in which they explore how the respiratory system and complete research on the Internet.
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Do We Need to Wear a Rainhat? Acid Rain: Causes, Effects, and Possible Solutions
Acid rain, and how it affects the environment, is the focus of this Earth science lesson. During the study, learners evaluate measures to reduce acid rain, and design an investigation to demonstrate the conection between a hypothesis and...
4th - 12th Science