You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: The more an elastic object is stretched or compressed, the greater its elastic potential energy is.
 Question: Dan is snapping a rubber band at Sarah. He stretches the band as much as he can before he snaps it this time, which will mean its potential energy is 
 Choices: A)large 
B)small
large

Paragraph: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
 Question: When Shane goes swimming in warmer water, he can move about quickly, whereas in cooler water, Shane's movement is 
 Choices: A)faster 
B)slower
slower

Paragraph: Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.
 Question: Dana is testing alkanes to see how they boil. She first heats up alkanes with more carbon atoms, and then some with fewer. The alkanes with fewer carbon atoms have a boiling point, compared to the other, that is 
 Choices: A)lower 
B)higher
higher