Science

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Across
  1. 2. opposite of neutrons
  2. 4. negatively charged substance
  3. 6. steam
  4. 9. a point when liquid group together
  5. 11. opposite of protons
  6. 12. everything has it
  7. 13. water
  8. 14. a point where a thing goes from solid to liquid.
  9. 15. a block
  10. 16. a point where the liquid turns to gas
Down
  1. 1. electron proton neutron
  2. 3. phase change from solid directly to gas
  3. 5. where a liquid turns to a solid.
  4. 7. happens at 212 degrees for water
  5. 8. multiple atoms compound chemical substance made of many identical molecules
  6. 10. part of the periodic table