Chapter 4

Edit Answers
1234567891011
Across
  1. 2. A change that cannot be undone
  2. 4. A reaction that happens when you cook food
  3. 6. The gas produced when vinegar and baking soda react
  4. 8. A type of sweet crystal you can grow at home
  5. 10. A common kitchen ingredient that reacts with vinegar
  6. 11. What you see rising when wood burns
Down
  1. 1. The opposite of freezing—when ice turns to water
  2. 3. A change that can be reversed, like freezing water
  3. 5. The reaction when vinegar and baking soda meet
  4. 6. The blackened result of burning toast
  5. 7. A sign of a chemical reaction
  6. 9. Something new formed after a chemical change