Question: For a given medium, sound waves travel more slowly at lower temperatures.  Compared to sound waves travelling through a cup of ice water, would sound waves travelling through a cup of boiling water move slower or faster??
Answer: faster?

Question: Air pressure is less at higher elevations.  Marcus is climbing a mountain, and notices that it is easier to breathe than it was before. This is likely because Marcus is at a lower elevation or higher elevation?
Answer: lower elevation

Question: As the liquid particles lose energy, their movement slows down even more. As their movements become slower and slower, the attractive forces between become stronger.  If Mona is pushing a sled and she begins to get tired, her energy levels fall. What happens to the movement of the sled increase or decrease?
Answer:
decrease