Vocabulary Crossword

123456789
Across
  1. 2. Bubbles and popping sounds in chemical reactions.
  2. 6. A string that lights the firework.
  3. 8. Reaction When things mix and make something new (2 words)
  4. 9. What you get after a chemical reaction.Plural)
Down
  1. 1. A sour liquid like lemon juice or vinegar.
  2. 3. A kind of air that you can't always see.
  3. 4. The things you mix in a chemical reaction.
  4. 5. A big bang that happens fast. It makes noise, light, and heat.
  5. 7. The building blocks of everything in the world.
  6. 8. Two or more elements joined together.