Types of Energy Crossword

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Across
  1. 6. Saved up energy
  2. 8. Used in maths when there's shapes
  3. 9. Motion
Down
  1. 1. How Undertale technically started
  2. 2. Heat
  3. 3. Ears
  4. 4. Friction
  5. 5. E=mc²
  6. 7. Lightbulb
  7. 10. Lightning