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Third Grade (Grade 3) Light and Optics Questions

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Grade 3 Light and Optics
Mia points a flashlight. The light hits an object and travels back toward Mia. Which of the following objects did the light most likely strike?
  1. a brick wall
  2. a large mirror
  3. a clear glass window
  4. a frosted glass window
Grade 3 Light and Optics
Light waves travel in a straight line.
  1. True
  2. False
Grade 3 Light and Optics
What is it called when light bounces off an object?
  1. reflection
  2. refraction
  3. absorption
  4. shadowing
Grade 3 Light and Optics
What is a dark area made when an object blocks light between a light source and a surface?
  1. reflection
  2. refract
  3. absorb
  4. shadow
Grade 3 Light and Optics
To see an object, there must be                .
  1. light
  2. energy
  3. mirrors
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 3 Light and Optics
What does it mean to take or soak in?
  1. reflect
  2. refract
  3. pitch
  4. absorb
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
Grade 3 Light and Optics
Refraction is the bending of light.
  1. True
  2. False
Grade 3 Light and Optics
White light is really
  1. all colors of light mixed.
  2. a mixture of yellow and white light.
  3. bright in the morning.
  4. a mixture of red and green light.
Grade 3 Light and Optics
A concave mirror magnifies an object.
  1. True
  2. False
Grade 3 Light and Optics
An object is                 when a magnifying lens is held close to it.
  1. reversed
  2. upside down
  3. magnified
  4. inverted
Grade 3 Light and Optics
To take in some or all of the light that hits it means to          absorb         .
Grade 3 Light and Optics
A mirror image is an exact copy of the original object.
  1. True
  2. False
Grade 3 Light and Optics
Water can be used to magnify.
  1. True
  2. False
Grade 3 Light and Optics
When light passes through different materials at different speeds it is              refracting             .
Grade 3 Light and Optics
Water in a desert is a common          mirage         .
Grade 3 Light and Optics
A          shadow         is a dark area made when an object blocks light.
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