Ques: Question: Mary's kitchen floor is slicker then her hallway floor. She was feeding her dogs one day and some kibble slid across both surfaces. Which surface caused the kibble to heat up less? (A) kitchen floor (B) hallway floor Do not use A and B to answer the question but instead, choose between "kitchen floor" and "hallway floor".
Ans: kitchen floor

Ques: Question: Milo's comb experiences more friction running it through beard hair compared to running it through head hair. This means that the _____ is smoother (A) head hair (B) beard hair Do not use A and B to answer the question but instead, choose between "beard hair" and "head hair".
Ans: beard hair

Ques: Question: Stan was throwing marbles by himself in the kitchen, and saw that when they landed on the linoleum floor they scattered all over, but when he released them over the carpet, they didn't go nearly as far. He observed there was more resistance to the marbles on the (A) linoleum (B) carpet. Do not use A and B to answer the question but instead, choose between "linoleum" and "carpet".
Ans: carpet

Ques: Question: Kim is pushing her baby in the stroller. She walks around the block on the sidewalk, but when she gets back to her gravel driveway, it has more friction. Kim pushes the stroller at a lower speed when she is on the (A) sidewalk (B) gravel. Do not use A and B to answer the question but instead, choose between "gravel" and "sidewalk".
Ans:
sidewalk