Chemical and Physical Changes

12345678910
Across
  1. 3. The type of change where size, shape, or state of matter may change but the particles stay the same is called a __________________ change.
  2. 4. If ___________ is produced, this is a sign that a chemical change has occurred.
  3. 6. You need _________________ to determine if a chemical or physical change has occurred.
  4. 7. In a physical change ____________ or shape may change but the particles stay the same.
  5. 8. In a physical change, the ____________ of matter may change but the particles stay the same.
  6. 9. If an unexpected ___________ change has occurred, this is evidence that a chemical change has occurred.
  7. 10. If a __________ is produced, like smoke, this is a sign that a chemical change has occurred.
Down
  1. 1. When two liquids are mixed and form a solid.
  2. 2. All matter is made of _________________.
  3. 5. When mixing two substances, if the ______________ changes, this is evidence that a chemical change has occurred.
  4. 9. The type of change when substances become new substances is called a _________________ change.