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Light and Optics Questions - All Grades

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Grade 4 Light and Optics
Electromagnetic waves you can see are called                  .
  1. ultraviolet light
  2. visible light
  3. gamma rays
  4. infrared waves
Grade 5 Light and Optics
All colors of the rainbow make up white light.
  1. True
  2. False
Grade 4 Light and Optics
Light travels very fast and in a straight line.
  1. True
  2. False
Grade 3 Light and Optics
To see an object, there must be                .
  1. light
  2. energy
  3. mirrors
Grade 4 Light and Optics
Which type of object blocks all light from passing through?
  1. transparent
  2. translucent
  3. opaque
  4. clear
Grade 5 Light and Optics
What is reflected by a red shirt?
  1. white light
  2. red light
  3. all light
  4. all colors of light except red light
Grade 4 Light and Optics
                means the light is taken in by the object.
  1. Reflected
  2. Transmitted
  3. Absorbed
  4. Refracted
Grade 6 Light and Optics
The lens that is thicker in the middle than at the edges is                 .
  1. convex
  2. concave
  3. light-reflecting
  4. corrective
Grade 4 Light and Optics
Light always travels in a                 line.
  1. straight
  2. curvy
  3. oval
  4. square
Grade 3 Light and Optics
Which object is a source of light?
  1. ball
  2. pencil
  3. washer
  4. campfire
Grade 3 Light and Optics
Light travels
  1. through walls.
  2. around objects.
  3. in straight lines.
  4. in a curvy pattern.
Grade 5 Light and Optics
What is the difference between a lens and a mirror?
  1. A mirror refracts light.
  2. A mirror bends light inward.
  3. A mirror reflects light while a lens refracts light.
Grade 3 Light and Optics
What does it mean to take or soak in?
  1. reflect
  2. refract
  3. pitch
  4. absorb
Grade 8 Light and Optics
Which types of waves are electromagnetic waves?
  1. Transverse wave
  2. Longitudinal wave
  3. Sound wave
  4. Water wave
Grade 3 Light and Optics
What type of light does a light bulb give off?
  1. Red light
  2. Black Light
  3. White Light
  4. No Light
Grade 3 Light and Optics
A black dog reflects what colors?
  1. All
  2. None
  3. Black
  4. Red
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