Unit 1 Vocabulary Test (PS)

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Across
  1. 5. Large and visible.
  2. 8. Binding energy keeping atoms together.
  3. 9. The state in which a physical object is.
  4. 10. A particle with a positive charge.
  5. 11. Gas to solid.
  6. 13. A particle with a negative charge.
  7. 14. A particle with no charge.
  8. 15. A component of an atom.
Down
  1. 1. Tiny and invisible to the naked eye.
  2. 2. Basic unit of matter.
  3. 3. How much matter is present in an object.
  4. 4. Solid to gas.
  5. 6. The organization of atoms based on the number of protons in their nucleus.
  6. 7. All physical things are made of this.
  7. 12. Basic block made of particles.