Unit 5 Vocabulary

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Across
  1. 1. (n.) The force that pushes something up, like air under an airplane’s wings.
  2. 3. (n.) A flat part on a rocket or plane that helps it stay balanced and fly straight.
  3. 5. (n.) A push or squeeze on something, like when you press on a balloon.
  4. 10. (n.) A machine that makes things move, like in a car or rocket.
  5. 12. (n.) A cloud of smoke or gas, like what comes out of a rocket.
  6. 13. (adj.) When something is steady and doesn’t wobble or fall over.
  7. 15. (n.) The force that slows something down as it moves through air or water.
  8. 16. (n.) Something hard that keeps its shape, like a rock or a toy.
  9. 18. (n.) What happens after an action, like when you push a ball and it rolls away.
  10. 21. (n.) The force that pushes a rocket or plane forward.
  11. 22. (n.) Movement, like running, rolling, or flying.
  12. 23. (v.) To go up, like a rocket lifting off.
Down
  1. 1. (v.) To send something into the air or space, like a rocket or a ball.
  2. 2. (n.) The structure or skeleton that holds something together, like the body of a rocket.
  3. 3. (n.) A push or pull that makes things move, stop, or change direction.
  4. 4. (v.) To go down, like a parachute coming back to Earth.
  5. 6. (n.) A vehicle that flies into space by pushing out fire and gas really fast.
  6. 7. (v.) To add pressure to something, like filling a balloon with air.
  7. 8. (n.) Something that burns to make energy, like gas for a car or wood for a fire.
  8. 9. (n.) The gas or smoke that comes out of an engine or rocket.
  9. 11. Cone (n.) The pointed front part of a rocket or plane that helps it cut through the air.
  10. 14. (adj.) How something is shaped to move smoothly through the air, like a plane or rocket.
  11. 17. (n.) Something that flows and takes the shape of its container, like water or juice.
  12. 19. (n.) How high something is above the ground, like an airplane in the sky.
  13. 20. (n.) The force that slows things down when they rub against each other, like when you slide on the ground.