Choose between "Full Car" and  "Empty Car". Question: Two identical cars attempt to accelerate as fast as possible. If one car is empty and one car is full of bricks, which one will accelerate more slowly? (A) Empty car (B) Full car
Empty Car


Choose between "parking lot" and  "grass". Question: Sandy is skating with her friends. It's a smooth ride. She gets on the grass and tries to move across on her skates. Sandy has trouble because of the rough surface. Sandy moves slower when she is on the (A) parking lot (B) grass.
grass


Q: Choose between "wood" and  "concrete". Question: Using a belt sander to sand wood encounters less friction then sanding concrete. This means the surface of the _____ is smoother (A) wood (B) concrete
A: wood


Question: Choose between "book" and  "carpeting". Question: Rebecca rolls the globe in her classroom over a book and then the carpeting. Rolling it over the book generates less heat than on the carpet. Which surface has more resistance? (A) book (B) carpeting
Answer: carpeting


*Question*
Choose between "standing in the hallway" and  "standing away from the hall". Question: At night, Leo leaves the light on in the hallway.  When he walks to the hallway, the light gets (A) brighter (B) darker
**Answer**
standing in the hallway


(Q).
Choose between "pile of rocks" and  "pile of pillows". Question: Carla is driving a test car over different surfaces. She drives the car over a pile of pillows and the car drives over them easily. Carla drives the car over a pile of rocks, and the car goes a little slower. The car went easier over the pile of pillows because there was (A) more friction (B) less friction.
(A).
pile of pillows