Science Puzzle

12345678910
Across
  1. 1. Not the weight but the ___ of an object
  2. 7. Incorporating any solid, liquid, or gas substance into another substance
  3. 8. A combination of objects that can not be undone
  4. 9. The measurement of how tightly a material is packed together
Down
  1. 1. Everything is ____
  2. 2. An object with the ability to dissolve
  3. 3. An attribute, quality, or characteristic of something
  4. 4. A piece of matter that does no keep its shape and the atoms flow freely
  5. 5. A object that keeps it shape and the atoms are packed tightly together
  6. 6. A piece of matter that changes its shape and the atoms are loosely packed
  7. 10. A pure form of matter