Grade 4 Physical Science- Light

Grade 4 Physical Science- Light - اختبار

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) opaque
B) transparent
C) transitional
D) translucent

3. What do we call material that absorbs most all of the light that strikes it, making objects not visible?

A) transitional
B) transparent
C) translucent
D) opaque

A) transparent
B) translucent
C) transitional
D) opaque

A) transparent
B) translucent
C) opaque
D) transitional

A) transparent
B) transitional
C) translucent
D) opaque

7. The bending of light as it passes through different transparent materials is called

A) absorption
B) refraction
C) rotation
D) reflection

A) rotation
B) refraction
C) reflection
D) absorption

A) lens
B) pyramid
C) prism
D) cylinder

A) enlarge visually
B) increase intensity
C) to transfer energy
D) separate white light

A) is a type of matter
B) travels is a straight line
C) travels in waves
D) is a form of energy

A) white light
B) all light
C) red light
D) all colors of light except red light

A) all light
B) all colors of light except red light
C) red light
D) white light

A) radiation spectrum
B) radiant spectrum
C) visible spectrum
D) electromagnetic 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

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