TASK DEFINITION: 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.
PROBLEM: Question: Ray was traveling in rocket leaving orbit. He keeps the empty fuel containers on board so the ship can fly 
 Answer: lower

SOLUTION: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.

PROBLEM: Question: Milo owns two telescopes, one at the top of a mountain and one at the base. If he looks through the one at the top of the mountain, how much interference can he expect compared to the one at the bottom of the mountain? 
 Answer: less

SOLUTION: Many observatories are built on high mountains. There is less air above the telescope, so there is less interference from the atmosphere.

PROBLEM: Question: Harry used a piece of glass to scatter the Sun's rays. What can you say about the scattered light created? 
 Answer: it has less energy

SOLUTION:
The more focused the Suns rays are, the more energy an area receives and the warmer it is.