Question 1

How quickly does sound travel compared to lightning?

Accepted Answer

Sound travels more slowly than lightning.

Answer

Sound travels at the same speed as lightning.

Answer

Sound travels faster than lightning.

Answer

Sound travels at one-fifth the speed of lightning.

Question 2

What happens if vibrations from wind or earthquakes match a building's natural frequency?

Accepted Answer

Destruction is more likely to occur.

Answer

The building becomes stronger.

Answer

The building's vibrations will decrease.

Answer

The building emits a warning sound.

Question 3

In which type of material does a sound wave travel fastest?

Accepted Answer

A stiffer material.

Answer

A cooler material.

Answer

A less dense material.

Answer

An elastic material.

Question 4

What type of wave requires matter to travel?

Accepted Answer

Sound waves.

Answer

Microwaves.

Answer

Light waves.

Answer

Radio waves.

Question 5

What is constructive interference?

Accepted Answer

When two waves combine to form a larger amplitude wave.

Answer

When waves reflect off a surface.

Answer

When waves travel in opposite directions.

Answer

When waves cancel each other out.

Question 6

What type of wave motion occurs in surface waves?

Accepted Answer

The matter moves both up and down and back and forth.

Answer

The matter remains stationary.

Answer

The matter moves only back and forth.

Answer

The matter moves only up and down.

Question 7

Which medium will sound travel the least effectively through?

Accepted Answer

Air.

Answer

Water.

Answer

Metal.

Answer

Wood.

Question 8

What effect does increasing the temperature of a medium have on sound travel?

Accepted Answer

Sound travels faster.

Answer

Sound becomes inaudible.

Answer

Sound remains the same speed.

Answer

Sound travels slower.

Question 9

What is the term for the highest point in a transverse wave?

Accepted Answer

Crest.

Answer

Trough.

Answer

Rarefaction.

Answer

Compression.

Question 10

What advice would Jonathan receive for being heard best?

Accepted Answer

Bang on the metal pipes.

Answer

Yell as loud as possible.

Answer

Tap lightly on the wooden boards.

Answer

Whisper to himself.

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