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Galaxy classification

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Overview:
This is a modified version of Galactic Inquiry in which students learn about galaxy classification while also experiencing a simple simulation of peer review and community analysis.

Author/Source:
Whitfield, Lisé

Grade:
6-8

Discipline:
Space science

Time:
One class period

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)

  • Scientists strive to test their ideas with evidence from the natural world; a hallmark of science is exposing ideas to testing. (P3, P4, P6, P7, NOS2)

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

  • Scientists can test ideas about events and processes long past, very distant, and not directly observable.

  • Scientists look for patterns in their observations and data. (P4, P5)

  • Different scientists may interpret the same data in different ways. (P7)

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

  • Scientists usually work collaboratively.

  • Scientists check each other's work, often through peer review. (P7)

Teacher background:

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