Rocket Propulsion

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Across
  1. 5. Rockets burns this to create hot gases.
  2. 6. The emptiness found in space is called a ___________.
  3. 9. The system where total momentum stays the same is called a what system?
  4. 11. Rockets help us explore space and launch what?
  5. 12. The hot gases shoot out through this at the back of the rocket.
  6. 15. A rocket engine does this to fuel to produce hot gases.
  7. 16. What word describes the straight-line movement discussed in the text?
Down
  1. 1. The “push” force that moves a rocket forward.
  2. 2. The opposite force that moves the rocket forward is the what?
  3. 3. Rockets work here, even though there are no particles.
  4. 4. Newton’s Third Law says for every action, there is an equal and opposite what?
  5. 7. A rocket sitting still in space has zero ____________ because it’s not moving.
  6. 8. Rockets burn fuel to create this.
  7. 10. The scientist that discovered the Laws of Motions.
  8. 13. Rocket propulsion explains how rockets what into space.
  9. 14. Rockets move forward because gases are pushed out the what?