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Lesson summary for:
Weathering and erosion

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Overview:
Students will conduct a series of experiments to explore the processes and effects of weathering and erosion.

Author/Source:
Whitfield, Lisé

Grade:
6-8

Discipline:
Earth science

Time:
4-6 class periods

Concepts:
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • Science is both a body of knowledge and the process for building that knowledge. (NOS5)

  • Science aims to build explanations of the natural world. (P3, P6)

  • Science deals with the natural world and natural explanations.

  • Scientific knowledge is open to question and revision as new ideas surface and new evidence is discovered. (P6, NOS3)

  • The real process of science is complex, iterative, and can take many different paths.

  • The process of science involves observation, exploration, testing, communication, and application.

  • Scientific observations can be made directly with our own senses or may be made indirectly through the use of tools.

  • Scientists test their ideas by predicting what they would expect to observe if their idea were true and then seeing if that prediction is correct. (P4, P6)

  • Scientists use multiple research methods (experiments, observations, comparisons, and modeling) to collect evidence. (P2, P3, P4, NOS1)

  • Hypotheses are potential explanations for what we observe in the natural world. (P6)

  • Hypotheses are usually inspired and informed by previous research and/or observations. They are not guesses. (P6)

  • Science depends on communication within the scientific community. (P7, P8)

Teacher background:

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