Lesson 3: Sound

Question 1

-Gives us auditory information
-Mechanical and longitudinal

Answer 1

Sound

Question 2

Cannot be perceived by human beings

Answer 2

Inaudible sounds

Question 3

Repeated sound, using sound waves and echo to detect objects

Answer 3

Echolocation

Question 4

How loud or soft the sound relative to the listener

Answer 4

Loudness

Question 5

Highness and lowness of a sound

Answer 5

Pitch

Question 6

To recognize one sound from others

Answer 6

Quality

Question 7

Even if sound is far; it can be heard

Answer 7

Doppler effect

Question 8

Can be perceived by human beings

Answer 8

Audible sound