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5th grade sci ch 7
5th Grade Sci Ch 7
Term | Definition |
---|---|
Sunspot | dark spot on the surface of the sun |
Galaxy | a large group of stars |
Solar flare | an explosive eruption of waves and particles into space |
Photosphere | the surface of the sun visible from Earth |
Hydrosphere | Earth's waters |
Corona | the outer layer of the sun's atmosphere |
Rotation | One whole spin of an object on it's axis |
Atmosphere | layer of gases wrapped around Earth that makes life possible |
Orbit | the path an object takes as it revolves around a star, planet, or moon |
Moon | a natural object that revolves around a planet |
Revolution | one full orbit around the sun |
Axis | an imaginary line around which an object spins |