Elephant's Toothpaste

123456789
Across
  1. 4. The bubbly result of this chemical reaction, resembling what an elephant might need for cleaning!
  2. 7. The chemical catalyst in this experiment.
  3. 8. A chemical catalyst commonly used in the faster version of the experiment.
  4. 9. One of the byproducts of breaking down hydrogen peroxide.
Down
  1. 1. The reaction type where a compound breaks down into simpler substances.
  2. 2. A common oxidizer used in first aid and cleaning. Essential for this foamy reaction.
  3. 3. A substance that speeds up a chemical reaction without being consumed. Often potassium iodide or yeast.
  4. 5. The gas released during the experiment, creating bubbles.
  5. 6. Added to trap gas and make the reaction visible.