Light Quiz (Unit4) 6th grade
  • 1. Light is a form of
A) inertia
B) energy
C) sound
D) water
  • 2. Light waves can travel in space
A) true
B) false
  • 3. Light can be
A) reflected
B) refracted
C) absorbed
D) all of these
  • 4. Light that bends has been
A) reflected
B) transferred
C) refracted
D) absorbed
  • 5. The term "concave lens" refers to
A) a lens that is thicker in the center and thinner at the edges and bends light inward
B) a lens that is thinner in the center and thicker at the edges and bends light outward
C) a form of energy that can travel in waves and can move through empty space
D) the bending of light waves as they travel from one surface to another
  • 6. The term "convex lens" refers to
A) a lens that is thinner in the center and thicker at the edges and bends light outward
B) a form of energy that can travel in waves and can move through empty space
C) a lens that is thicker in the center and thinner at the edges and bends light inward
D) the bending of light waves as they travel from one surface to another
  • 7. White light is made up of many colours
A) false
B) true
  • 8. When raindrops refract light it causes
A) a solar eclipse
B) a rainbow
C) white light
D) singing in the rain
  • 9. Which of the following colours is NOT in a rainbow
A) indigo
B) orange
C) brown
D) green
  • 10. A green book is green because
A) it reflects blue and yellow
B) it is recyclable
C) it absorbs every colour of light except green
D) it reflects every colour of light except green
  • 11. Which colour has the highest frequency?
A) blue
B) green
C) red
D) violet
E) yellow
  • 12. The lenses inside your eyes are
A) opaque
B) asymmetrical
C) concave
D) convex
  • 13. Light bends when it
A) becomes absorbed
B) moves from one medium to another
C) changes from one wavelength to another
D) changes from one colour to another
  • 14. When something completely allows light to pass through
A) it's translucent
B) it's blue
C) it's transparent
D) it reflects
  • 15. What allows some light to pass through, but the image is not clear?
A) transparent
B) opaque
C) translucent
D) convex
  • 16. What does not allow light to pass through it?
A) opaque
B) translucent
C) absorb
D) transparent
  • 17. When light waves bounce back they
A) reflect
B) transmit
C) absorb
D) refract
  • 18. Why do some objects appear white?
A) They are made of cotton
B) They absorb all colours
C) They are blue and refect white
D) They reflect all colours
  • 19. What happens to light rays when they move from water into air?
A) They slow down
B) They spread out and bend
C) They change speed, direction, and bend
D) They switch to white light
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