Question: Two cars are going to race each other. One driver puts just enough fuel into his car's tank to get through the race in order to keep the weight of his car low. The other driver fills his car's tank completely, which makes the car more heavy. Which car will get up to full speed more quickly at the start of the race? (A) car with full fuel tank (B) car with nearly empty fuel tank Do not use A and B to answer the question but instead, choose between "car with nearly empty fuel tank" and "car with full fuel tank".
car with full fuel tank

Question: A golf cart rolls more easily along a concrete floor than it does along a rubberized track because there is less resistance on the (A) concrete floor (B) rubberized track. Do not use A and B to answer the question but instead, choose between "concrete floor" and "rubberized track".
concrete floor

Question: Ron is at the gym lifting weights. Tony joins him an hour into his workout. They leave at the same time. Who sweat more? (A) Ron (B) Tony Do not use A and B to answer the question but instead, choose between "Ron" and "Tony".
Ron

Question: Alex rolls a ball of paper across her mattress and it barely moves. Then she rolls the paper across the tile floor and it moves pretty far. The ball of paper moved better on the tile floor because it had (A) more friction (B) less friction. Do not use A and B to answer the question but instead, choose between "tile floor" and "mattress".
mattress