States of Matter

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Across
  1. 3. the basic unit of all matter that combine to make molecules
  2. 5. If an object sinks or floats, based on how close the particles inside the object are
  3. 6. anything that has mass and takes up space
  4. 8. characteristics or attributes used to describe a substance
  5. 10. the amount of space an object takes up
  6. 11. a measure of how hard an object is compared to other objects
  7. 12. to compare something to a standard unit
Down
  1. 1. the force of attraction or repulsion between substances made of certain materials, such as iron, nickel, cobalt, and steel.
  2. 2. what joins atoms together to form molecules
  3. 4. anything that has mass and takes us space
  4. 6. two or more atoms bonded together
  5. 7. to use your senses to gather information
  6. 9. of matter: solids, liquids, gases
  7. 12. the amount of matter an object contains