instruction:
In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
question:
Question: Eric rubs together tissue paper and then sandpaper. The rougher tissue paper has _____ friction than the sandpaper.
Answer: more
answer:
Rougher surfaces have more friction between them than smoother surfaces.

question:
Question: A Geiger counter is clicking away, and suddenly speeds up quite a lot. The counter is telling people that the level of radiation is
Answer: higher
answer:
The faster the clicks of a Geiger counter occur, the higher the level of radiation.

question:
Question: If Mona is comparing the weight of some particles of sand and she realizes that one particle is heavier then the other, will that particle diffuse faster or slower then the lighter one?
Answer: slower
answer:
The mass of the particles: lighter particles will diffuse faster, because on average they move faster.