Question

ticles
ean to extreme
1. Fill in the blanks:
a. The substances through which sound travels is called a
b. The distance between two crests is
c. Noise is an
sound.
- is pleasant to ear.
e. Frequency is measured in
second
Give one word answer:
a. What does the loudness of sound depend on?
b. The unit in which loudness of sound is measured.
c. The standard unit of frequency.
d. The decibel is a unit that measures.
3. Match the following:
В
larynx
prey
a. Sound
b. The organ in the human being that is
involved in the production of sound
c. Maximum distance moved by a body from
seconds​

Answer 1

1.

a) gases, liquids, solids, and plasmas.

b) wave length

c) unpleasant

d) music

e) one

2.

a) amplitude

b) decibel

c) Hertz

d) loudness of sound

3.

b) Larynx

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Answer 2

1. solid,liquid,gases
2. wave length
3. unpleasant
4. one

a. amplitude

b.hertz