Chemistry

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Across
  1. 1. / only 1 type of atom (chemically combined)
  2. 8. Mixture / can see all parts in mixture
  3. 10. / basic building block, smallest part of element that has the same properties
  4. 11. Change / changed in shape, but still the same substance
  5. 13. / 2 or more substances that are physically combined
  6. 14. / tightly packed atoms with low energy
Down
  1. 2. Resource / can be used once, not replaced as quick by nature
  2. 3. Property / potential to change, ability to react
  3. 4. / high energy of atoms that are spread out
  4. 5. Resource / regularly replaced or replenished by nature
  5. 6. Mixture / looks like the same substance
  6. 7. / more than one type of atom (chemically combined)
  7. 9. / 2 or more atoms
  8. 12. / loosely packed atoms, medium energy, flow