Light Article Questions

In the final paragraph, what does the word rays mean?

• Absorbed light

• Light waves traveling in a straight line

• The different colors of the rainbow

• Objects that do not allow light to travel through

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Which of the following words is a synonym for the word rainbow?

• Reflections

• Retina

• Spectrum

• Wavelength

Which of the following words best describes an object that allows some but not all light to pass through?

• Reflective

• Transparent

• Opaque

• Translucent

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Which of the following media is opaque?

• Water

• Brick

• Sunglasses

• Stained-glass window

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Which of the following colors has the longest wavelength?

• Red

• Orange

• Green

• Blue

Which of the following is true about light? (Select all that apply.)

• When we look at an object, we see the light it is absorbing.

• Light travels in straight lines.

• The color red has the longest wavelength.

• A medium that allows light to continue traveling through it in a straight line is transparent.

• We can see without light energy.

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The eye diagram is included to help the reader understand—

• how light moves through the eye.

• how the brain processes what we see.

• the part of the brain responsible for eyesight.

• the colors of the rainbow.

What can the reader infer about the photo of the mirror at the top of page 2?

• The car mirror absorbs the light of the sunset.

• The car mirror is reflecting the light of the sunset.

• The car mirror is refracting the light of the sunset.

• None of the above.

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What is the main idea of the selection?

• Light is the energy of photons that travel in straight lines in waves.

• Refraction is the bending of light as it moves through different media.

• Objects that create a reflection, like a mirror, reflect every color of the spectrum.

• We see light energy in various ways depending on the medium it travels through or reflects off of.

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NGSS.MS-PS4-2

A shirt reflects all light, what color is the shirt

• Black
• Blue
• Magenta 
• White

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