Curated OER
Environment
Young scholars examine the energy saving benefits of trees. They identify ways in which trees reduce air pollution. They also work together to solve problems related to pollution.
Science Education Resource Center at Carleton College
Serc: Mn Step: The Earth and Sky in a 24 Hour Day
An activity where students learn, through modeling and demonstration, about the relative sizes of the Earth and Sun, the distance between them, and how the Earth rotates in a 24-hour period.