Light Assessment

  1. The main difference between a mechanical wave and an electromagnetic (light) wave is:

a.An electromagnetic wave doesn’t need a medium to travel.

b.An electromagnetic wave requires electricity to travel.

  1. An object appears red because it:

a.Reflects light waves of all colors

b.Reflects light waves of red

  1. When a ray of light enters the eye, the cornea:

a.Detects different colors.

b.Refracts the light into and protects the eye.

  1. What happens to light when it strikes a black t-shirt?

a.It is reflected.

b.It is absorbed.

  1. What property of a wave determines its place on the Electromagnetic Spectrum?

a.Frequency

b.Loudness

  1. What is the effect of scattering?

a.Temperature rises

b.Glare/shininess

  1. When scientists use infrared goggles, what property of an object are they observing?

a.Heat

b.Magnetism

  1. If you shine a flashlight on a fresh spring leaf, what color wavelength will be reflected?

a.Green

b.Orange

  1. A black car will feel hotter than a white car when parked in the summer sun because:

a.The black car absorbs more electromagnetic energy than the white car.

b.The black car refracts more electromagnetic energy than the white car.

  1. We see color white, when …..

Light Assessment

a.An object reflects light wavelengths of white color

b.An object reflects light wavelengths of each color of the visible spectrum

Light Assessment

Short Answer:

Please answer each question in complete sentences:

  1. If you shine a red light on a blue sweater, what color would the sweater appear?

______

  1. Amy and Jessica went outside in the afternoon to sit on a bench in the park. Amy wore a black t-shirt, Jessica wore a white t-shirt. Amy felt hot and sweated a lot more than Jessica. Why did Amy feel hotter than Jessica? EXPLAIN your answer.

______