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: If you were to launch a cannon which ball would fly faster if everything else were the same? 
 Answer: Lighter
The mass of the particles: lighter particles will diffuse faster, because on average they move faster.

Question: A car that is very heavy will accelerate 
 Answer: slower
The greater the mass of an object, the less it will accelerate when a given force is applied.

Question: Jimbo is going to the beach and he wants to ensure he has the lowest sun protection for his skin. Should he wear a sunscreen with a higher SPF or a lower SPF? 
 Answer: lower SPF

A sunscreen with a higher SPF value protects the skin longer.