science test tmr Flashcards
(11 cards)
1
Q
refraction
A
wave bends , as it moves from one medium into another
2
Q
reflection
A
when a wave strikes an object or surface and bounces off
3
Q
absorption
A
When a wave transfers its energy to the material it comes in contact with
4
Q
transmission
A
A wave when it passes through the material without being reflected or absorbed
5
Q
electromagnetic waves
A
can travel through empty space
6
Q
mechanical waves
A
Needs matter (medium) To travel through
7
Q
Defraction
A
wave bends around the barrier or through an opening
8
Q
frequency is measured in…
A
Hertz
9
Q
normal =
A
90°
10
Q
longitude/compression waves
A
Energy moves along the medium while traveling forward
11
Q
transverse waves
A
Energy moves up and down or side to side while traveling forward
