Chapter 2: Describing Matter. Section 4-Physical & Chemical Changes

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Across
  1. 3. Many physical _____ can be undone.
  2. 4. Chemical changes can ____ be undone.
  3. 7. Chemical changes often cause fizzing and ___.
  4. 8. Cutting your hair is an example of a/an ____ change.
  5. 9. When something undergoes a chemical change, a/am ____ substance with different properties is produced.
Down
  1. 1. When a plate breaks, its physical properties of size and _ change, but the atoms and molecules do not change.
  2. 2. ____ water into ice cubes is an example of a physical change.
  3. 3. Burning paper is an example of a/an _____ change.
  4. 5. ______ metal is an example of a chemical change.
  5. 6. Chemical changes often produce heat, ___, odor, and sound