Atoms Unit Quiz

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Across
  1. 3. a tiny particle made up of protons, neutrons, and electrons
  2. 6. a part of an atom that has a negative charge and travels around its nucleus
  3. 7. the part of an atom that has no charge
  4. 8. an idea about how the world works
  5. 9. the part of an atom that is inside the nucleus and has a positive charge
Down
  1. 1. the central part of an atom
  2. 2. person who studies science
  3. 4. what everything is made of
  4. 5. to refuse or push back