(Question)
Choose between "hard court" and "grass court". Question: Jane tested a tennis ball on two different surfaces, observing the different results. First, she skidded a tennis ball across a slick hard court, and then across a shaggy grass court. Skidding produces more heat on which surface? (A) hard court (B) grass court
(Answer)
grass court

(Question)
Choose between "Mars" and "Jupiter". Question: Mars has much weaker gravity than Jupiter because it (A) has more mass (B) has less mass
(Answer)
Jupiter

(Question)
Choose between "paved road" and "gravel path". Question: Harold pulled his dogcart through a gravel path before travelling on a paved road while going to the store. The paved road was much less rough then the gravel path, so he wondered whether the _____ had less friction (A) gravel path (B) paved road
(Answer)
gravel path