*Question*
Question: When Kelsey was playing with her dolls she found that Barbie was more flexible than Skipper and therefore (A) less breakable (B) more breakable Do not use A and B to answer the question but instead, choose between "less breakable" and "more breakable".
**Answer**
less breakable

*Question*
Question: A boy slid in the mud, after walking across the grass yard with no problem. Which had more resistance? (A) mud (B) grass Do not use A and B to answer the question but instead, choose between "mud" and "grass".
**Answer**
grass

*Question*
Question: Penelope noticed that her hand got hot when she moved it quickly back and forth over the carpet, but that it didn't get very hot when she moved it over the tile. She realized that there's more friction in the (A) carpet (B) tile. Do not use A and B to answer the question but instead, choose between "carpet" and "tile".
**Answer**
carpet

*Question*
Question: Sally rides her bike down the gravel driveway and then down the concrete sidewalk. The bike goes faster on the sidewalk. There is more resistance on the (A) gravel driveway (B) concrete sidewalk. Do not use A and B to answer the question but instead, choose between "concrete sidewalk" and "gravel driveway".
**Answer**
concrete sidewalk