Wave frequency can be measured by counting the number of crests or compressions that pass the point in 1 second or other time period. The higher the number is, the greater is the frequency of the wave. Having read the above passage, choose the right answer to the following question (choices are increases or decreases ): If Milo decreases the number of crests of his wave, what happens to the frequency of his wave increases or decreases?
decreases

It would be hard to get a big chunk of chocolate to dissolve in your milk or hot water. Maybe you could make hot chocolate from some smaller pieces like chocolate chips, but it is much easier to add a powder to your milk. This is because the smaller the pieces are, the more surface area they have. Having read the above passage, choose the right answer to the following question (choices are bigger or smaller ): Dean wants to melt chocolate to drink in his milk. He puts a big piece of chocolate in, and a small piece of chocolate in. The piece with more surface area, which will melt first, is the piece that is bigger or smaller?
smaller

Q: Exercising muscles increases their size, and bigger muscles have greater strength. Having read the above passage, choose the right answer to the following question (choices are increase or decrease ): If Jim starts exercising his muscles, would the strength of them increase or decrease?
A: increase

Question: The more an elastic object is stretched or compressed, the greater its elastic potential energy is. Having read the above passage, choose the right answer to the following question (choices are large or small ): Dan is snapping a rubber band at Sarah. He stretches the band as much as he can before he snaps it this time, which will mean its potential energy is large or small?
Answer: large

*Question*
To reduce friction, oil is added to the engine. Having read the above passage, choose the right answer to the following question (choices are greater or smaller ): Dana wants things to slide around easily without too much friction, so she uses oil in amounts that are greater or smaller?
**Answer**
greater

Q: The size of an ocean wave depends on how fast, over how great a distance, and how long the wind blows. The greater each of these factors is, the bigger a wave will be. Having read the above passage, choose the right answer to the following question (choices are high or low ): Phil surfed small 1.5 foot waves on the beach. high or low wind speeds likely contributed to such small waves?
A: low