Ques: Choose between "dirty toilet" and  "clean toilet". Question: A dirty toilet is not at smooth as a clean toilet. This means a plunger can manipulate the water inside of a _____ quicker (A) dirty toilet (B) clean toilet
Ans: clean toilet

Ques: Choose between "tile" and  "grass". Question: Bernie is pitching marbles. He notices that when he pitches the marbles on the tile in his kitchen, the marble goes faster and farther away than when he does the same action on grass. Which surface is applying less friction to the marble? (A) grass (B) tile?
Ans: grass

Ques: Choose between "wooden desk" and  "plastic mouse pad". Question: A computer mouse moves with ease on a smooth plastic mouse pad, whereas, on the flat wooden desk at times it sticks and does not work. Which surface has more friction? (A) wooden desk (B) plastic mouse pad
Ans: wooden desk

Ques: Choose between "bowling lane" and  "bowling floor". Question: Jim bowled the ball down the lane instead of the floor, because the Lane is (A) more smooth (B) less smooth
Ans:
bowling lane