Concepts to Support Astronomy

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Across
  1. 3. State of matter in which particles in and object do not move
  2. 4. a measurement of how much space something takes up
  3. 6. State of matter in which particles freely move around and spread out in the air
  4. 10. A measurement of how much matter (atoms) in an object, liquid, or gas
  5. 11. Very small particles that create everything
  6. 13. Tiny parts of something. Atoms are one type of these.
  7. 14. The study of outer space
  8. 15. A measurement of how strongly gravity pulls on an object
Down
  1. 1. State of matter in which particles in a substance move around each other but are still connected
  2. 2. measures mass
  3. 5. On the moon, an object would have the same mass, but weigh ___
  4. 7. Matter, especially liquid, is sometime also called a _________.
  5. 8. An invisible force that pulls something toward any object or substance, including a planet
  6. 9. Any solid, liquid, or gas made of atoms that takes up space
  7. 12. Takes up space and has weight but usually can't be seen