SC15.ESS.1

Science (2015) Grade(s): 09-12 - Earth and Space Science

SC15.ESS.1

Develop and use models to illustrate the lifespan of the sun, including energy released during nuclear fusion that eventually reaches Earth through radiation.

Unpacked Content

Scientific and Engineering Practices

Developing and Using Models

Crosscutting Concepts

Stability and Change

Knowledge

Students know:
  • The sun is a star The sun is changing and will burn out eventually.
  • Nuclear fusion processes in the center of the sun release energy that reaches Earth as radiation. Hydrogen is the sun's fuel.
  • Helium and energy are products of fusion processes in the sun.

Skills

Students are able to:
  • Develop models to predict and show relationships among variables between systems and their components in the natural and designed world(s).

Understanding

Students understand that:
  • The scale of the energy released by the fusion process is much larger than the scale of the energy released by chemical processes.

Vocabulary

  • mass
  • temperature
  • nuclear fusion
  • radiation
  • convection
  • hydrostatic equilibrium
  • flux
  • random walk
  • red giant
  • planetary nebula
  • white dwarf

Aligned Learning Resources

Photons In The Radiative Zone: Which Way Is Out?
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