What are Waves? Flashcards
1
Q
background knowledge…
A
- energy is the ability to cause change
2
Q
What is a wave?
A
- a disturbance that transfers energy
3
Q
medium
A
- a material through which energy can travel
4
Q
types of waves…
A
- mechanical: needs a medium
- electromagnetic: does not need a medium
5
Q
mechanical waves…
A
- can only travel if there is a medium to travel through
- needs the particles in order to transfer energy
6
Q
mechanical wave examples…
A
- earthquakes
- ocean waves
- sound
7
Q
electromagnetic waves…
A
- can travel through mediums
- they travel fastest in empty space … vacuum
8
Q
electromagnetic wave examples…
A
- light
- radio waves
- gamma rays
