Either You Know It, Or Not!

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Across
  1. 3. It was like if he was possessed by something.
  2. 5. It spinned so fast, it blew up.
  3. 6. This is part of the skeletal system.
  4. 8. The pole was really tall.
Down
  1. 1. He made 2/4 into 1/2
  2. 2. Blob fish can move without bones!
  3. 4. It's SO big, it might even be endless!
  4. 7. It went around & around & around!
  5. 9. The car got crushed into a ball.