Choose between "road" and "dirt track". Question: Jake is driving his motorbike to a dirt track. The ride from his house on the road is easy, as the road offers little resistance. However, the dirt track offers a lot more resistance. Jake's motorbike will generate more heat on the (A) road (B) dirt track.
dirt track

(Question)
Choose between "court" and "grass". Question: Rolling a tennis ball over a court makes it become less hot then rolling it over the grass. This means that the (A) court or (B) grass had less resistance
(Answer)
court

Ques: Choose between "snow" and "mud". Question: Ashley was dragging her sled to a friend's house to play on a warm winter day. The snow was melting in some places but they tried to sled ride anyway. Ashley found that her sled moved very slowly on mud and she didn't make it to the bottom. The sled moved much faster and made it to the bottom of the hill when they could ride the sled on snow. Ashley and her friend decided that the surface with the least resistance to their sled was (A) snow (B) mud
Ans: snow

(Q).
Choose between "cement" and "sand". Question: Keith is playing with his marbles. Keith shoots the marble across the cement and it speeds by. When he shoots it across the sand, it putts at a slow speed. The marble goes farther over the (A) cement (B) sand.
(A).
cement

Ques:Choose between "trunk" and "leaf". Question: A tree trunk is thicker then a tree leaf. Which part of the tree is the stronger one? (A) leaf (B) trunk

Ans:leaf

Ques: Choose between "sand" and "pavement". Question: David tried riding his bicycle on pavement and then on sand and found that it was much harder to get it to move on sand. He concluded that the material that has more friction is (A) pavement (B) sand
Ans:
pavement