waves and sound

Question 1

period

Answer 1

# of cycles

Question 2

frequency

Answer 2

time

Question 3

wavelength

Answer 3

# of cycles

Question 4

wavespeed

Answer 4

v = f x lambda

Question 5

the doppler effect

Answer 5

the doppler effect is the change in frequency of a wave due to the motion of the source receiver

Question 6

high frequency = _____ pitch

lower frequency = ______ pitch

Answer 6

1. higher

2. lower

Question 7

medium

Answer 7

the substance through which most waves travel

Question 8

examples of mediums

Answer 8

liquid, air

Question 9

the movement of sound through a solid, liquid, gas, and vacuum

Answer 9

gas- sound moves the slowest
solid- sound moves the fastest
vacuum- no particles for sound to move in
liquid- faster than gas, slower than solids

Question 10

resonance

Answer 10

when an objects natural frequency is matched by the vibration or movement of something else

Question 11

sound moves the fastest in

a. steel
b. vacuum of space
c. air

Answer 11

A

Question 12

a longer instrument will produce a _____ pitch compared to a shorter one

Answer 12

lower