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  • Is It a Rock? (Version 2)

    Lesson Plan | December 2022

    The purpose of this assessment probe is to elicit students’ ideas about an Earth material, rocks. The probe is designed to determine whether students can distinguish between humanmade, “rocklike” materials and…

  • Renewable or Nonrenewable?

    Lesson Plan | July 2021

    The purpose of this assessment probe is to elicit students’ ideas about Earth’s natural resources. The probe is designed to find out if students can distinguish between renewable and nonrenewable natural resources.

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