instruction:
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).
question:
Paragraph: If we have two materials with the same volume, the material with a higher mass will be more dense.
 Question: Jake pours syrup into one cup, then pours water into another, both in equal amounts. Jack can know that the syrup is the less dense of the fluids because it has 
 Choices: A)more mass 
B)less mass
answer:
less mass


question:
Paragraph: Water density increases as salinity and pressure increase, or as temperature decreases.
 Question: By removing a pound of salt from a bucket of fresh water, could you cause the density of the water to 
 Choices: A)increase 
B)decrease?
answer:
decrease?


question:
Paragraph: For a given medium, sound waves travel more slowly at lower temperatures.
 Question: If Milo is listening to the radio in his room and the room gets colder, what happens to the speed of the sound waves generated by the radio? 
 Choices: A)increase 
B)decrease
answer:

decrease