Question: Question: Alice rolls a tennis ball and a bowling ball down a hill.  She notices that the (A) tennis ball (B) bowling ball speeds up faster.  Do not use A and B to answer the question but instead, choose between "tennis ball" and  "bowling ball".
Answer: tennis ball

Question: Question: Tom's paper plane heated up less when he flew it through the air compared to when he slid it over the table. He learned that the _____ had less friction (A) air (B) table  Do not use A and B to answer the question but instead, choose between "air" and  "table".
Answer: air

Question: Question: Bill throws a boulder and a balloon. The balloon falls much slower than the boulder meaning it (A) weighs more (B) weighs less  Do not use A and B to answer the question but instead, choose between "balloon" and  "boulder".
Answer:
boulder