8th grade vocabulary crossword

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Across
  1. 4. boundary A place where two plates collide.
  2. 8. Large pieces of the Earth’s surface that move slowly.
  3. 10. The type of electricity an object has (positive or negative).
  4. 11. The outer layer of the Earth (crust + upper mantle).
  5. 13. Movements of hot and cold material inside the Earth.
  6. 14. A strong electric discharge in the sky during a storm.
  7. 17. The way someone understands or sees something.
  8. 18. To pull together.
  9. 19. The force that makes charged objects attract or repel each other.
Down
  1. 1. Based on personal opinions or feelings.
  2. 2. A sudden release of electricity.
  3. 3. The hot layer of rock under the Earth’s crust.
  4. 5. boundary A place where two plates move apart.
  5. 6. Tiny particles inside an atom that have negative charge.
  6. 7. To push away.
  7. 9. boundary A place where two plates slide past each other.
  8. 12. ratio A mathematical proportion often used in art and beauty.
  9. 15. To move something from one place or object to another.
  10. 16. A person’s experiences and culture that influence their ideas.
  11. 20. When two sides are equal or balanced.