Sound Flashcards
1
Q
Bottom of Page54
What can be used to detect a sound apart from our ears ?
A
A sound meter
2
Q
Page 55 Question 1 part c
A
Sound travels best through a solid
3
Q
Page 56
What does the textbook say is the speed of sound ?
A
250m per second
4
Q
What unit is the loudness of a sound measured in ?
A
Decibels
5
Q
Which travels the fastest, light or sound ?
A
Light
6
Q
What causes a sound ?
A
Something vibrating
7
Q
Page 57
Question 1 part b
A
2000m
8
Q
Page 58
What word means to dull or absorb sound ?
A
Muffle
9
Q
Page 56 and page 57
Question 1 part b
A
The buzzer
The distance the sound meter is from the buzzer
10
Q
Page 56 and Page 57
Page 57 Question 1 Part c
A
The material