1. Daily Questions for Feb. 3 to Feb. 7 February 3 The distance between a wave’s crest and its trough is known as A.Wavelength B.Frequency C.Wave height D.pitch

2. February 4 You can observe the color of your friends shirt with your eyes because: A. Light is reflected off the shirt B. Light is refracted off the shirt C. Light is diffracted off the shirt D. Light is absorbed by the shirt

3. February 5 Why does the human eye observe the different colors of a rainbow? A. The eye refracts all the different colors B. The eye diffracts all the different colors. C. The eye sees different colors of the light in different locations of the eye. D. They eye sees different colors of the light in the same locations of the eye.

4. February 6 Lenny is looking at a sheet of paper that reflects all wavelengths of the visible light spectrum that hit it. Lenny is looking at a sheet of paper that appears to be: A. Purple B. Blue C. Black D. White

5. February 7 When a race car on a track passes an observer, the frequency of the sound of its engine changes because A. the speed of the car changes as it passes B. the density of the air changes as the car moves through it C. the sound that the engine makes is constantly changing D. each wave crest begins at a different place