Choose between "ice" and "grass". Question: Tim was playing around with his sled and noticed that it slid faster on the smoother surface than on the rougher one. The sled slid faster on (A) the ice (B) the grass
ice

(Question)
Choose between "stronger gravity" and "weaker gravity". Question: Eric has two bowling balls. He notices the bigger one weighs more. That is because it has a (A) stronger gravity (B) weaker gravity.
(Answer)
stronger gravity

Ques: Choose between "shopping mall" and "auto lot". Question: The surface of a shopping mall is rougher than the surface of an auto lot. A car carrier will travel further over the (A) shopping mall (B) auto lot
Ans: auto lot

(Q).
Choose between "floor" and "couch". Question: A floor has more friction then a couch. This means the cat can run across the _____ at a quicker rate of speed (A) couch (B) floor
(A).
couch

Ques:Choose between "rocky dirt" and "cement". Question: Tory took her dog for a walk, and noticed that when she threw the ball for him, he had an easier time finding it on the rocky surfaces than smooth cement, because it didn't roll so fast. Friction made the ball roll (A) further on the rocky dirt or (B) not as far?

Ans:cement

Choose between "open desert" and "city wash". Question: A jackrabbit can run a much greater distance over the open desert then in the city wash. This means the jackrabbit heats up more running in the (A) open desert (B) city wash
city wash