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: Alan saw Venus through his old telescope. He then looked through his bigger, better telescope. Venus likely appears brighter through the 
 Answer: bigger telescope
Larger telescopes can collect more light.

Question: Sara is in a container representing an object. Her container has 30 balls flying around, representing particles. Tyler is in another container, and his contains 5 balls. Which person's container likely would be under the most pressure? 
 Answer: Sara's
More particles inside the container means more collisions, and more collisions mean a higher pressure.

Question: Fred found a longitudinal wave. The particles are getting closer together. The amplitude is 
 Answer: increasing

The closer together the particles in a longitudinal wave are, the greater the amplitude.