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: 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: Sean is trying to see how fast the water molecules are moving in a container of water. He observes that the molecules are moving very slowly, so the temperature must be 
 Choices: A)cool 
B)warm
answer:
cool


question:
Paragraph: When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction.
 Question: If you spend a lot of time working out your muscles will be 
 Choices: A)smaller 
B)larger
answer:
larger


question:
Paragraph: The hotter a resistor becomes the more resistance it has.
 Question: Paul measured a resistor's temperature at 20C. Another resistor he measured at 30C. If both resistors are the same type, which offers more resistance? 
 Choices: A)20C 
B)30C
answer:

30C