Space Exploration

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Across
  1. 4. Can support life.
  2. 5. The measure of how hot or cold something is.
  3. 7. Nearness to something.
  4. 10. The habitable zone, where a planet is the distance from a star where the temperature allows for water to remain a liquid.
  5. 12. The path that an object follows as it moves around another object.
  6. 13. Is NOT able to support life.
  7. 14. The amount of matter in an object.
  8. 16. The sunlight and energy that comes from the sun in form of light waves. Has different waves of radiation, some being more damaging to humans than others.
  9. 17. A zone of weak gravity (ex. orbiting in a spacecraft)
Down
  1. 1. The force exerted on an object by gravity.
  2. 2. The travel of humans through space through the use of space crafts.
  3. 3. Objects in space such as the sun, moon, planets, and stars.
  4. 6. Layers of gases surrounding a planet or other celestial body.
  5. 8. A planet that is made up of rock or metal. “Terra=Earth”
  6. 9. What something is made up of.
  7. 11. A force of attraction between. objects due to their masses.
  8. 15. The force exerted on a surface by the mass of the air above it.