SUPERLATIVES!

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Across
  1. 4. Oldest planet in the solar system.
  2. 7. Neptune is the _____ planet to the sun.
  3. 9. Mercury is the _____ planet.
  4. 10. Snail is the _____ animal.
  5. 11. Giraffe is the _____ animal.
Down
  1. 1. Fastest animal in the world
  2. 2. Hottest planet in the solar system.
  3. 3. Jupiter is the ______ planet.
  4. 5. Mercury is the _____ planet to the sun.
  5. 6. Cat is the ______ animal.
  6. 8. Largest mammal in the world.