Question

question 1 (1 point)
if caroline put her ear to the wall and listened to her parents talk about her surprise party, would their voices be muffled or clear? how do you know?
○ a it would be muffled because the wall is between her and her parents, and she will not be able to hear clearly through the wall.
○ b the voices would be clear, not muffled, because it is easy to hear behind walls.

question 2 (1 point)
would a large family benefit from a spacious apartment? why or why not?
○ a. yes because spacious means the large family will have a lot of room.
○ b. no because spacious means tiny and the large family will have to squeeze in together.

question 3 (1 point)
if the ceiling fan in a room is recessed, would you need to worry about bumping your head on it? why or why not?
○ a yes because recessed means the fan is on and active at recess and could hit someone in the head.
○ b no because recessed means that the part of the ceiling where the fan is attached is set back from, or higher than, the main part of the ceiling.

Explanation:

Question 1

To determine the clarity of the voices, we analyze the properties of sound transmission through a wall. Sound waves have to pass through the wall material, which typically dampens or muffles the sound rather than allowing it to be heard clearly. Option a correctly states that the wall being between Caroline and her parents would muffle the voices as sound doesn't travel clearly through a solid wall in the way described in option b.

The word "spacious" means having a lot of space or room. A large family would need more space, so a spacious apartment would provide that room. Option b is incorrect because "spacious" does not mean tiny; it means the opposite. So option a is the correct reasoning.

The term "recessed" in the context of a ceiling fan means that the fan (or the area where it's attached) is set back or higher than the main ceiling. This positioning would mean it's out of the way of a person's head, so there's no need to worry about bumping into it. Option a has an incorrect definition of "recessed" (relating it to recess time and the fan being active, which is not the meaning here), so option b is correct.

Answer:

a. It would be muffled because the wall is between her and her parents, and she will not be able to hear clearly through the wall.

Question 2