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 defocus the sun's rays with a lens they are 
 Answer: weaker
The more focused the Suns rays are, the more energy an area receives and the warmer it is.

Question: When waves in the ocean go fast there will be 
 Answer: more
A: As the car approaches the radar gun, the reflected microwaves get bunched up in front of the car. Therefore, the waves the receiver detects have a higher frequency than they would if they were being reflected from a stationary object. The faster the car is moving, the greater the increase in the frequency of the waves.

Question: Chris was looking at some stars through a very large telescope. He noticed two stars. The first was a dull blue. The second was a darker blue. Compared to the bluer star, the star that is duller would be 
 Answer: colder

But, in stars, the bluer the star, the hotter it is, and the redder it is, the older and colder it is.