unit four vocabulary science

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Across
  1. 1. The total kinetic energy of a substance
  2. 3. the state of matter in which the volume and shape of a substance are fixed
  3. 6. a measure of the amount of matter in an object
  4. 8. a substance that cannot be separated or broken down into simpler substances by chemical means
  5. 10. a measure of how hot (or cold) something is; specifically, a measure of the average kinetic energy of the particles in an object
  6. 15. the force holding atoms or ions together to form molecules, crystals, and compounds, driven by atoms seeking a lower, more stable energy state by sharing or transferring electrons
  7. 16. The amount of force exerted per unit area of a serfice
  8. 17. a substance made up of atoms of two or more different elements joined by chemical bonds
Down
  1. 2. a form of matter that does not have a definite volume or shape
  2. 4. how much mass is packed into a certain volume, calculated by dividing mass by volume
  3. 5. the amount of space that an object takes up, or occupies
  4. 6. anything that has mass and takes up space
  5. 7. a group of atoms that are held together by chemical forces; a molecule is the smallest unit of a compound that keeps all the properties of that compound
  6. 9. The change of substance from one state to another
  7. 11. a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
  8. 12. the smallest unit of an element that maintains the properties of that element
  9. 13. A chart the organizes all the known elements.
  10. 14. the state of matter that has a definite volume but not a definite shape