Across
- 5. Helium under __________ exerts a force on ballon walls to keep them inflated.
- 6. Gravity exerts a force on the roller coaster and riders, causing them to accelerate down hills; this is an examples of Newton's __________ law in action.
- 7. Daredevils jumping from airplanes experience ________________.
- 8. _____________ causes a rider to tend to move in a straight line.
- 9. At the top of a roller coaster hill you have the most _________________ energy.
- 10. __________ is much less on the Moon than the Earth.
- 12. Because of your speed at the bottom of a roller coaster hill, you have enough _____________ to climb to the top of the next hill.
- 13. Bumper cars convert electrical energy into _______________ energy of the moving cars and riders.
- 15. As you go through a loop, you experience _________________.
- 17. Water, helium, gas and coke are all examples of ________ encountered in physics problems at the amusement park.
- 18. The force that makes a roller coaster roll is _________________.
- 20. At the end of the roller coaster ride, the brakes apply ______________.
- 21. As the roller coaster drops, it ___________________.
Down
- 1. Heavy bowling balls have a higher ______ than cotton candy.
- 2. ___ ____________ is a friction force experienced to some degree on all rides, especially the fast ones.
- 3. As the roller coaster is pulled up the first hill, the motors do _________.
- 4. Bottles used in carnival games have a low ________ __ ______ so that they are not easy to tip over.
- 11. As a roller coaster thunders down a hill, ___________ ______________ is converted into kinetic energy.
- 14. The ________________ energy is maximum at the bottom of the hills.
- 16. The collisions occurring during bumper car rides are good examples of Newton's __________ law in action.
- 17. The force that slows down all rides is _______________.
- 19. The hotdog roaster uses __________ __________ to warm hotdogs.