Sound Flashcards
(9 cards)
1
Q
Sounds are made when an object …
A
Vibrates
2
Q
Sounds travels through the air as …
A
Compressions and refractions
3
Q
Compressions occur when particles are …
A
Closest together
4
Q
Refractions occur when particles are …
A
Furthest apart
5
Q
Sound doesn’t travel in a ….
A
Vacuum
6
Q
Sound travels fastest in a …
A
Solid
7
Q
Sound travels slowest in a …
A
Gas
8
Q
What makes up the outer parts of our ears
A
Ear drum
Ear canal
Pinna
9
Q
What is their function
A
Reflect sound into ear canal