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.

[Q]: Question: Reid analyzes particle speed. The heaviest particle he sees likely diffuses _____ than the lightest particle.
Answer: slower
[A]: The mass of the particles: lighter particles will diffuse faster, because on average they move faster.

[Q]: Question: John was playing with alkanes in his lab. If he decreased the amount of carbon atoms in an alkane, what would happen to the boiling point of that alkane?
Answer: decrease?
[A]: Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.

[Q]: Question: When a child has a little energy they will move around
Answer: slower
[A]:
The particles in matter are always moving. The more energy they have, the faster they move.