Properties of Matter

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Across
  1. 2. When liquid water is ___, it freezes and becomes solid ice again.
  2. 4. Even at lower temperatures, liquid water can slowly ___ and turn into water vapor.
  3. 9. Scientists compare the appearance, color, texture, or smell of the initial substances with the ___ substance.
  4. 10. Physical changes involve altering the physical properties of matter without forming new ___.
  5. 12. Burning is a chemical change that occurs when a substance reacts with ___.
  6. 13. _____ is anything that has mass and takes up space.
  7. 14. Heating liquid water to a high temperature causes it to transform into ___.
  8. 16. ____ can undergo both physical and chemical changes.
  9. 17. ____ can change into all three states.
Down
  1. 1. When ___reacts with starch, the mixture changes from brown to blue-black.
  2. 3. When solid ice is ___, it melts and becomes liquid water.
  3. 5. Condensation is the___of evaporation.
  4. 6. Over time the bacteria start to feed on the ___in milk.
  5. 7. Chemical changes cannot be ___.
  6. 8. Milk has ___in it.
  7. 9. Over time, the metal oxidizes, forming a reddish-brown substance called ___.
  8. 11. ___ lettuce is a physical change.
  9. 15. When vinegar reacts with baking soda, carbon dioxide gas is ___.