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: For a given medium, sound has a slower speed at lower temperatures.
 Question: If Jim turns the thermostat down in his room while listening to music, what will happen to the speed of the sound waves in the room? 
 Choices: A)they will speed up 
B)they will slow down
answer:
they will slow down


question:
Paragraph: Warmer molecules vibrate faster than cooler ones.
 Question: Lisa is cooling soup in the refrigerator. The molecules will begin to vibrate _____ as the soup cools down. 
 Choices: A)slower 
B)faster
answer:
slower


question:
Paragraph: Objects with greater mass have a stronger force of gravity between them.
 Question: If Mona is comparing an orange and an apple and she determines that the apple is more massive then the orange, which object has more gravity? 
 Choices: A)orange 
B)apple
answer:

apple