BOWLING

1. RETURN, The physical part of the equipment upon which the ball sits after being sent back to you after a delivery.
2. LINE, The line that separates the approach area from the beginning of the playing surface.
4. FIRST LAW OF MOTION, "An object in motion will remain in motion. An object at rest will remain at rest unless acted upon by an outside force.
8. HUNDRED (300) GAME, A perfect game.
9. FRAME, A frame having neither a spare or strike.
10. Resetting the pins to a new full rack due to a perceived miss-spotting of one or more pins.
11. PIN, The 5-pin. I
15. Three consecutive strikes.
17. To knock down the remaining pins standing left after the first throw with the second throw.
19. Semicircular grooves or drop-off area on each side of the bowling surface.
21. Crossing or touching the foul line at delivery.
22. OF BOUNDS, An area from which the ball can't get to the pocket with its usual break.
23. DECK, Area on which the pins are set.

1. SPINNER, A machine that is used to spin a ball in a container so that the user can apply ball polish or sand the ball down more quickly.
2. THROUGH, What your arm does after the ball leaves your hand.
3. An adjustment in scores in order to equalize competition by adding pins on a predetermined basis.
5. Knocking down all 10 pins with the first effort.
6. PIN, The 1 pin.
7. OF GRAVITY, The heaviest part of a bowling ball.
12. game of 200 or more.
13. The triangles embedded on the lane used in aiming the throw.
14. The space extending back from the foul line used to make the steps and delivery.
16. Various combinations of pins standing after a first throw where one or more pins have been knocked down creating a space between standing pins and thus a harder spare
17. PACK, Six strikes in a row.
18. GAME, A game of all strikes--twelve strikes in a row--resulting in bowling's maximum score of 300.
20. SECOND LAW OF MOTION , "The acceleration of an object is proportional to the force and inversely proportional to the mass acting on it.”