Science Vocabulary

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Across
  1. 2. A substance obtained from another substance through chemical change
  2. 4. Mass is neither created of destroyed
  3. 6. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life
  4. 7. Slows down chemical change
  5. 8. Releases of absorbs energy
  6. 10. Equally balanced state
Down
  1. 1. Absorbs heat
  2. 3. Any substance that undergoes a chemical change
  3. 4. Chemical reaction causing a rearrangement of atoms
  4. 5. Something that releases energy
  5. 9. Speeds up the chemical reaction