Read the following sentences and circle the letter of the word that best fills each blank.

1.) A. Load | B. Fulcrum | C. Air | D. Five
2.) A. On level ground | B. In a circle | C. To a higher or lower place | D. Sideways
3.) A. Wedge | B. Screw | C. Hammer | D. Gear
4.) A. Load | B. Gravity | C. Stability | D. Effort
5.) A. Fulcrum | B. Pole | C. Gear | D. Plane
6.) A. Four | B. Six | C. Three | D. Force
7.) A. Pulley | B. Axle | C. Rope | D. Lever
8.) A. Rake | B. Jack | C. Plane | D. Wheel
9.) A. Barrow | B. Pivot | C. Pulley | D. Flat plane