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: Jason fills up a balloon with helium. After a while, he decides to fill a smaller balloon with the helium with the balloon. The gas in the smaller balloon will have a density that is 
 Answer: higher

SOLUTION: If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.

PROBLEM: Question: If we find an electromagnetic wave with very short wavelengths, it will likely have _____ energy. 
 Answer: much

SOLUTION: Electromagnetic waves with shorter wavelengths have higher frequencies and more energy.

PROBLEM: Question: Will launches a rocket off the ground. As the speed of the gas that comes from the boosters increases, the rocket's height reached 
 Answer: increases

SOLUTION:
The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards.