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).
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Question: Paragraph: As you go farther from the nucleus of an atom, the electron levels have more and more energy.
 Question: Eric pushes an electron closer to the nucleus of an atom. The electron _____ energy. 
 Choices: A)loses 
B)gains

Answer: gains


Question: Paragraph: The more dense the medium, the slower the light moves.
 Question: A very rarefied medium will cause light to move 
 Choices: A)faster 
B)slower

Answer: faster


Question: Paragraph: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
 Question: What happens when you make a rocket heavier? 
 Choices: A)goes higher 
B)falls down

Answer:
falls down