Sound

Question 1

What form is sound

Answer 1

Sound is a form of energy

Question 2

How is sound made

Answer 2

Sound is made by vibrations

Question 3

How does sound travel

Answer 3

Through solids or through air

Question 4

What are transverse waves

Answer 4

Particles in the wave move up and down

Question 5

What is a longitudinal wave

Answer 5

Particles in the wave move back and forward in the same direction that energy moves along the wave

Question 6

Parts of a transverse wave

Answer 6

Peak/crest, wavelength,amplitude,trough,particle motion

Question 7

Parts of a longitudinal wave

Answer 7

Wavelength,compression,rarefaction

Question 8

High frequency equals….

Answer 8

High pitch

Question 9

Low frequency equals

Answer 9

Low pitch

Question 10

Define amplitude

Answer 10

Distance from rest to a peak or trough also gives the loudness of a sound wave

Question 11

Define Volume

Answer 11

Loudness of a sound measured in dB

Question 12

Frequency is measured in…

Answer 12

Hertz

Question 13

Speed equals

Answer 13

Metres per second

Question 14

Distance equals

Answer 14

Metres

Question 15

Time equals

Answer 15

Seconds

Question 16

Parts of the ear

Answer 16

Pinna,auditory canal, eardrum,3tiny bones(hammer,anvil,stirrup) cochlea, auditory nerve, Eustachian tube

Question 17

Rarefaction

Answer 17

Decrease in density and presse in a medium

Question 18

Formulary for d t v

Answer 18

Speed=d/t
Distance=sxt
Time=distance/speed

Question 19

To see and measure sound waves we need to use a device called an

Answer 19

Oscilloscope