Sound

Question 1

Which of these sounds is the loudest?

Accepted Answer

Rocket launching into Space

Question 2

In which material does sound travel the fastest?

Accepted Answer

Solids

Question 3

Speed travels through the air at about 1,200km/hr (740mph)?

Accepted Answer

True

Question 4

How are sounds created?

Accepted Answer

Through vibrations

Question 5

Which scale is used to measure sound?

Accepted Answer

Decibel scale

Question 6

What can sound travel through?

Accepted Answer

All of the other answers

Question 7

Which unit is the intensity (loudness) of a sound measured in?

Accepted Answer

Decibels

Question 8

Which musical instruments produce lower pitches?

Accepted Answer

Larger or thicker instruments

Question 9

Which travels fastest, light or sound?

Accepted Answer

Light travels faster than sound

Question 10

Which musical instruments produce lower pitches?

Accepted Answer

Larger or thicker instruments

Question 11

In which places can you NOT hear sound?

Accepted Answer

In space

Question 12

Why does a guitar produce a lower pitch when you do not press any fingers against a string while plucking it?

Accepted Answer

A longer string produces a lower pitch

Question 13

What word describes how high or low a sound is?

Accepted Answer

Pitch

Question 14

Sound waves can be reflected off solid objects. When this happens, what do we hear?

Accepted Answer

An echo

Question 15

When something vibrates quickly, it makes high frequency waves. You hear this as what kind of sound?

Accepted Answer

A high pitch

Question 16

When a sound wave hits your ear, it makes the air in your ear vibrate. These vibrations cause what part of your body to

Accepted Answer

Your ear drum

Question 17

How Does Sound Travel?

Accepted Answer

In Vibrations

Questions 17