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.

Example Input: Question: Henry noticed that his piece of cake was lighter than his piece of butter. The cake was _____ dense. 
 Answer: less
Example Output: A given volume of a denser substance is heavier than the same volume of a less dense substance.

Example Input: Question: Jim is performing experiments in his lab. If he applies less heat to gas inside of a beaker, what happens to the gas particles? 
 Answer: move slower
Example Output: If the gas is heated, the particles will move faster as they gain more energy.

Example Input: Question: Don wants to make sure that his particles will move faster, so he will make sure the energy they have is 
 Answer: more
Example Output:
The more energy the particles in matter have, the faster and more strongly they vibrate.