Question: When Jake was standing next to the train the whistle was _____ than when he was across town (A) louder (B) quieter Do not use A and B to answer the question but instead, choose between "Train whistle" and "Train whistle far".
Train whistle

(Question)
Question: Annie was playing with her dog outside. She noticed when she threw its ball along the gravel it moved much slower and didn't go as far as when she threw the ball along the wood floor in the house. This is because the gravel has (A) more friction (B) less friction. Do not use A and B to answer the question but instead, choose between "gravel" and "wood floor".
(Answer)
gravel

Ques: Question: Tim was playing around with his sled and noticed that it slid faster on the smoother surface than on the rougher one. The sled slid faster on (A) the ice (B) the grass Do not use A and B to answer the question but instead, choose between "ice" and "grass".
Ans: ice

(Q).
Question: John likes to snow tube in the winter and tube down sand dunes in the summer. He notices he can attain greater speeds overall when he snow tubes. Which surface has higher friction? (A) Snow (B) Sand Do not use A and B to answer the question but instead, choose between "snow" and "sand".
(A).
sand

Ques:Question: Mike can roll his battery around quicker on a study desk then on a classroom desk. Which desk is providing less resistance to the battery? (A) study desk (B) classroom desk Do not use A and B to answer the question but instead, choose between "study desk" and "classroom desk".

Ans:study desk

Ques:Question: A trainer watched his horse run each day. The horse was able to get to top speed more quickly when no one was riding him than when there was someone riding him. This is because the horse had less weight to move when (A) it had a rider (B) it had no rider. Do not use A and B to answer the question but instead, choose between "horse with no rider" and "horse with rider".

Ans:
horse with rider