Light Energy Question Preview (ID: 36574)


Light Energy. TEACHERS: click here for quick copy question ID numbers.

Why does a prism create a rainbow when white light is shining through it?
a) The light waves speed up in the glass.
b) The light reflects off the glass creating a rainbow.
c) The light slows down in the glass
d) A prism does not create a rainbow

Which of these objects is translucent?
a) A student's sunglass lenses
b) A brick wall of the school
c) A mirror on the bus
d) A student's notebook

Which of the following would reflect rather than refract light?
a) Prism
b) Mirror
c) Lens
d) Magnifying glass

Which pair of colors is in order from the longest wavelength of light in the visible spectrum to the shortest wavelength?
a) Green, orange
b) Yellow, red
c) Violet, blue
d) Red, violet

One way in which light waves are different from sound waves is that light waves-
a) are caused by rapid vibrations
b) can move through empty space
c) travel more slowly
d) can be reflected

A teacher asked a group of students to think of a short definition of the word refract. Each student shared their ideas. Which phrase should the group choose to report back to the teacher as the best definition?
a) Bouncing back
b) See clearly though
c) Bending light
d) Absorbs all color

A photojournalist took a photo of a flooded area and could see the trees in the water. Why is this?
a) The water refracts light.
b) The water creates waves.
c) The water absorbs all wavelengths.
d) The water is reflective.

What is the fourth color in the rainbow?
a) Green
b) Orange
c) Yellow
d) Blue

A student put pencils inside the pencil box and could no longer see them. Which word best describes the pencil box?
a) Transparent
b) Translucent
c) Opaque
d) Reflective

A raindrop creating a rainbow is an example of-
a) reflection
b) Refraction
c) reflection AND refraction
d) liquid turning into gas

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