Grade 4 Physical Science- Light

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) translucent
B) transparent
C) transitional
D) opaque

2. What do we call material that allows light to pass through, making objects clearly visible when viewed through this material?
A) translucent
B) transitional
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) transparent
B) translucent
C) opaque
D) transitional

4. Automobile window glass is
A) opaque
B) translucent
C) transparent
D) transitional

5. Frosted (privacy) shower glass is
A) transitional
B) transparent
C) opaque
D) translucent

6. Mirror glass is
A) transitional
B) translucent
C) transparent
D) opaque

7. The bending of light as it passes through different transparent materials is called
A) refraction
B) reflection
C) absorption
D) rotation

8. The bouncing of light from a smooth surface is called
A) refraction
B) reflection
C) absorption
D) rotation

9. A solid, transparent shape that is used to separate white light is called a
A) cylinder
B) pyramid
C) lens
D) prism

10. Magnify means to
A) to transfer energy
B) separate white light
C) increase intensity
D) enlarge visually

11. Which does NOT belong: Light...
A) travels is a straight line
B) is a form of energy
C) is a type of matter
D) travels in waves

12. What is reflected by a red shirt?
A) white light
B) red light
C) all light
D) all colors of light except red light

13. What light is absorbed by a red shirt?
A) white light
B) red light
C) all colors of light except red light
D) all light

14. The colors red, Orange, yellow, green, blue indigo, violet refer to the
A) electromagnetic spectrum
B) visible spectrum
C) radiant 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) a rotational material
B) transparent material
C) opaque material
D) translucent material

Answer Key

1.A  2.C  3.C  4.C  5.D  6.D  7.A  8.B  9.D  10.D  
11.C  12.B  13.C  14.B  15.D  

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