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: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
 Question: Mike is watching how particles of reactants function, and sees that they are very far apart. Considering that the concentration of them is very low, the chance of them colliding together is 
 Choices: A)high 
B)low
answer:
low


question:
Paragraph: The more tightly packed the particles inside the material are, the more dense we say they are.
 Question: Eric has a soccer ball and kicks it into a rock of roughly the same size. The rock doesn't move and the ball bounces away. The rock is _____ dense than the ball. 
 Choices: A)less 
B)more
answer:
more


question:
Paragraph: The closer together the particles are, the greater the amplitude of the wave.
 Question: Theo moved close to Gary. The amplitude of the light bouncing off of them likely 
 Choices: A)decreases 
B)increases
answer:

increases