Read and Complete

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Across
  1. 2. The number you get when you add two numbers together.
  2. 6. The organ inside your head that thinks.
  3. 7. The capital of the United States.
  4. 9. Frozen water.
  5. 11. A social media app for sharing short videos (one word).
  6. 12. A huge body of salt water.
  7. 13. The sun is one of these; it gives us light and heat.
  8. 14. A popular Disney movie about a frozen queen named Elsa.
  9. 17. The past tense of "run."
  10. 18. The largest land animal.
  11. 19. The red liquid that pumps through your body.
Down
  1. 1. To look at words and understand their meaning.
  2. 3. The subject where you study numbers and shapes.
  3. 4. The feeling you get when something is funny.
  4. 5. The opposite of multiplication.
  5. 8. A book about a person's life, written by someone else.
  6. 10. The force that pulls objects towards Earth.
  7. 15. The planet we live on.
  8. 16. The main character in a story, often the hero.