*Question*
Choose between "sidewalk" and "grass". Question: Billy dropped his backpack and 2 pencils rolled out. One landed on the sidewalk and the other in the grass. The pencil on the sidewalk rolled faster than the one in the grass because of (A) less friction (B) more friction.
**Answer**
sidewalk

*Question*
Choose between "cactus field" and "field". Question: A rabbit can run faster in a field and slower in a cactus field. This means the rabbit gets hotter running through a (A) cactus field (B) field
**Answer**
cactus field

*Question*
Choose between "city road" and "logging road". Question: A truck experiences less of a heat increase when driving on a city road then when driving on a logging road. This means the truck can drive a greater distance on the (A) logging road (B) city road
**Answer**
logging road

*Question*
Choose between "carpet" and "hardwood floor". Question: Zachary likes to push his toy car around the house. His mom notices his car rolls slower on the carpet in the dining room than on the hardwood floor in the nursery. Which surface has the greatest resistance? (A) the hardwood floor or (B) the dining room carpet
**Answer**
hardwood floor