*Question*
The more curved the surface of a lens is, the more it refracts the light that passes through it.  Having read the above passage, choose the right answer to the following question (choices are less or more ):   If Mona is building a lens for looking at the stars and she wants to make sure it refracts more light then the one she previously built, will she need to make the surface more or less curved then the one before less or more?
**Answer**
more

*Question*
Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.  Having read the above passage, choose the right answer to the following question (choices are decrease or increase ):   If Mona downgrades her old computer to a less powerful model, what happens to the amount of work her computer can do decrease or increase?
**Answer**
decrease

*Question*
Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.  Having read the above passage, choose the right answer to the following question (choices are higher or lower ):   You can find tables that show the pH value of different fruits and vegetables. The fruits such as apples are barely acidic so they have a pH value that is higher or lower?
**Answer**
higher

*Question*
The greater the mass of the objects, the stronger the gravitational pull between them.  Having read the above passage, choose the right answer to the following question (choices are Ivan or Rita ):   Ivan and Rita weighed themselves. Ivan weighs less than Rita. Who has a larger gravitational pull Ivan or Rita?
**Answer**
Rita