2nd Quarter Science (W1- EM Waves) Flashcards
1
Q
Transferring energy from 1 place to another without transferring matter.
A
Waves-
2
Q
Highest point
A
Crest-
3
Q
Lowest point
A
Trough-
4
Q
- Vertical distance between the tip of a crest and wave’s central axis.
A
Amplitude
5
Q
Horizontal distance between crest and trough
A
Wavelength-
6
Q
Number of full wavelength that pass by a given point
A
Frequency-
7
Q
What is wavelength in the electromagnetic spectrum
A
Decreasing, increasing, decreasing… radio is greater than
8
Q
What is frequency in electromagnetic spectrum
A
Increasing, decreasing, increasing… radio is less than
9
Q
Need medium to transfer energy
A
Mechanical Waves-
10
Q
Doesn’t need medium to transfer energy
A
Electromagnetic Waves-
11
Q
Present of charged particles.
A
Electric Field-
12
Q
Produced by moving electric charges
A
Magnetic Field-
