1. 180 170 160 150 140130120 110100 90 80 7060504030 20 1098765432 1 0 This screen will disappear in 3 minutes. Seconds Remaining. Draw a diagram of a wave. Label the parts.

3. Define: Wavelength, Frequency, Amplitude 180 170 160 150 140130120 110100 90 80 7060504030 20 1098765432 1 0 Seconds Left:

4. 1.Wavelength – 1.In transverse waves – distance between two crests or troughs 2.In longitudinal waves – distance between two compressions or rarefactions 2.Frequency – the number of waves that pass a point in one second 1.Long wavelengths have low frequencies 2.Short wavelengths have high frequencies 3.Amplitude (wave height) – the distance from the middle of a transverse wave to the crest or trough

5. What is an electromagnetic wave? 180 170 160 150 140130120 110100 90 80 7060504030 20 1098765432 1 0 Seconds Left:

6. A transverse wave that can travel through space or matter.

7. Describe visible light. 180 170 160 150 140130120 110100 90 80 7060504030 20 1098765432 1 0 Seconds Left:

8. Light you can see; a small part of the electromagnetic spectrum