Unit 1 Space

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Across
  1. 7. radiation a type of energy that comes to Earth from the Sun, can damage skin and cause cancer, and is mostly absorbed by the ozone layer
  2. 8. An object that revolves around another object in space
  3. 10. 2nd layer of atmosphere; extends from 10 to 30 miles up; location of ozone layer.
  4. 13. Layer Protective layer in atmosphere that shields earth from UV radiation.
  5. 14. The 3rd layer of Earth's atmosphere immediately above the stratosphere and is the coldest layer.
Down
  1. 1. system sun, planets, and all the other objects that revolve around the sun
  2. 2. a beautiful display of light in the sky that come from interactions between particles from the sun's atmosphere and gases in the ionosphere.
  3. 3. stream a high-speed high-altitude airstream blowing from west to east near the top of the troposphere
  4. 4. A force of attraction between objects that is due to their masses.
  5. 5. Bottom layer in the atmosphere - where we live, breathe . It is also where all the weather occurs
  6. 6. A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.
  7. 9. The outer layer of the thermosphere, extending outward into space.
  8. 11. The 4th layer of the atmosphere and is characterized throughout by an increase in temperature with height.
  9. 12. A mixture of gases that surrounds a planet or moon.