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Grade 4 Physical Science- Light - εξέταση
  • 1. What do we call material that scatters or absorbs most of the light that strikes it, making objects appear blurry when viewed through it?
A) transitional
B) transparent
C) opaque
D) translucent
  • 2. What do we call material that allows light to pass through, making objects clearly visible when viewed through this material?
A) transitional
B) translucent
C) transparent
D) opaque
  • 3. What do we call material that absorbs most all of the light that strikes it, making objects not visible?
A) opaque
B) transitional
C) transparent
D) translucent
  • 4. Automobile window glass is
A) transparent
B) opaque
C) transitional
D) translucent
  • 5. Frosted (privacy) shower glass is
A) transitional
B) transparent
C) opaque
D) translucent
  • 6. Mirror glass is
A) opaque
B) transparent
C) translucent
D) transitional
  • 7. The bending of light as it passes through different transparent materials is called
A) absorption
B) refraction
C) reflection
D) rotation
  • 8. The bouncing of light from a smooth surface is called
A) absorption
B) rotation
C) reflection
D) refraction
  • 9. A solid, transparent shape that is used to separate white light is called a
A) lens
B) cylinder
C) prism
D) pyramid
  • 10. Magnify means to
A) separate white light
B) to transfer energy
C) increase intensity
D) enlarge visually
  • 11. Which does NOT belong: Light...
A) is a form of energy
B) is a type of matter
C) travels is a straight line
D) travels in waves
  • 12. What is reflected by a red shirt?
A) white light
B) all light
C) red light
D) all colors of light except red light
  • 13. What light is absorbed by a red shirt?
A) all colors of light except red light
B) white light
C) red light
D) all light
  • 14. The colors red, Orange, yellow, green, blue indigo, violet refer to the
A) electromagnetic spectrum
B) radiant spectrum
C) visible spectrum
D) radiation spectrum
  • 15. Which material would be the best choice if you want to allow some light, but would also like some privacy?
A) opaque material
B) transparent material
C) translucent material
D) a rotational material
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