Question: Dan went out skating. He put his skate on while sitting in the grass, then skated on the concrete. Dan noticed that he skated better and faster on the concrete. He decided that there was greater resistance on (A) the grass (B) the concrete. Do not use A and B to answer the question but instead, choose between "concrete" and "grass".
concrete
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Question: A racecar can travel at a higher rate of speed on a track than in a city. This means the racecar generates more heat over the (A) track (B) city street Do not use A and B to answer the question but instead, choose between "track" and "city street".
city street
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Question: A sandwich sliding across a lunch plate experiences less friction then one sliding across a breakfast plate. Which plate will force the sandwich to slide at a lower rate of speed? (A) lunch plate (B) breakfast plate Do not use A and B to answer the question but instead, choose between "lunch plate" and "breakfast plate".
breakfast plate
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Question: The F-16 was much lighter than the jumbo jet so it was (A) slower accelerating (B) faster accelerating Do not use A and B to answer the question but instead, choose between "F-16" and "Jumbo Jet".
Jumbo Jet
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