Light Waves

1. A rug sits in a sunny place on the floor for a long time. Kiara thinks that light from the sun can cause the rug’s color to fade over time. Can light from the sun cause the rug’s color to fade?

• a.      No. Light is not a physical thing, so it cannot change physical things like rugs.

• b.      The infrared light can cause the marbles to get warm.

• c. The red light can cause the marbles to get warm.

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NGSS.MS-PS1-4

NGSS.MS-PS4-2

2. Malachi uses some glue to fix a broken plate. He puts the glue under a desk lamp but the glue doesn’t dry. Then he puts the glue out in the sun and it dries. Why does light from the sun dry the glue when light from the desk lamp does not?

 

• a.      Because the glue can take in energy from the light from the sun but not from the light from the lamp.

• b.      Because light from the sun pulls energy out of the glue and light from the desk lamp does not.

• c.      Because the sun gives off a type of light that carries energy, and light from the desk lamp does not.

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NGSS.MS-PS1-4

4. Your friends say that they saw a special nail polish that changes color when it is out in the sun. Can light from the sun cause the nail polish to change color?

• a.      No. Light is not a physical thing, so it cannot change physical things like nail polish.

• b.      Yes. Light from the sun can pull energy out of the nail polish, causing it to change color.

• c.      Yes. The nail polish can take in energy from the light, causing it to change color.

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NGSS.MS-PS4-2

6. Dentists use a soft, clay-like material to make a filling for a cavity. The filling stays soft under the light of the dentist’s lamp, but it hardens when the dentist shines an ultraviolet flashlight on it. Why does light from the ultraviolet flashlight harden the filling when light from the lamp does not?

• a.      Because ultraviolet light carries energy, and light from the lamp does not.

• b.      Because the filling material can take in energy from ultraviolet light, but not from the light from the lamp.

• c.      Because ultraviolet light pulls energy out of the filling material, and light from the lamp does not.

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NGSS.MS-PS1-4

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9. Jayden says that the dentist can shine a special light on his teeth that will make his teeth become whiter. Can light change Jayden’s teeth?

• a.      Yes. Jayden’s teeth can take in energy from the light, causing them to become whiter.

• b.      Yes. Light can pull energy out of Jayden’s teeth, causing them to become whiter.

• c.      No. Light is not a physical thing, so it cannot change physical things like teeth.

Tags

NGSS.MS-PS4-2

 

9. Wei saw a special type of plastic that would melt and become a liquid when it was placed in the sun, but it would not melt when placed under a desk lamp. Why does light from the sun melt the plastic when light from the desk lamp does not?

• a.      Because the plastic can take in energy from the light from the sun but not from the light from the lamp.

• b.      Because light from the sun carries heat molecules, and light from the desk lamp does not.

• c.      Because the sun gives off a type of light that carries energy, and light from the desk lamp does not.

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NGSS.MS-PS1-4

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13. Your friend says that he heard about some rocks that would glow when they were put under a certain kind of light. Can light cause rocks to glow?

• a.      No. Light is not a physical thing, so it cannot change physical things like rocks.

• b. Yes. Light can pull energy out of the rocks, causing them to glow.

• c.      Yes. Rocks can take in energy from the light, causing them to glow.

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NGSS.MS-PS4-2

13. Paintings in museums have to be kept away from ultraviolet light. Ultraviolet light will cause the paint to fade, but the overhead lamps in a museum won’t cause the paint to fade. Why does the ultraviolet light cause the paint to fade when light from the overhead lamps does not?

• a.     Because ultraviolet light pulls energy out of the paint, and light from the overhead lamps does not.

• b.      Because the paint can take in energy from ultraviolet light but not from the light from the overhead lamps.

• c.     Because ultraviolet light carries heat molecules, and light from the overhead lamps does not.

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NGSS.MS-PS4-1

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1. If a car sits out in the sun every day for a long time, can light from the sun damage the car’s paint?

• a.      Yes. The paint can take in energy from the light, causing it to be damaged.

• b.      No. Light is not a physical thing, so it cannot change physical things like paint.

• c.      Yes. Light from the sun can pull energy out of the paint, causing it to be damaged.

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NGSS.MS-PS3-5

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7. Your friend shows you a special kind of paper that can change color. He says that it will change color if it is out in the sun. Can light from the sun cause the paper to change color?

• a.      Yes. Light from the sun can pull energy out of the paper, causing it to change color.

• b.      Yes. The paper can take in energy from the light, causing it to change color.

• c.      No. Light is not a physical thing, so it cannot change physical things like paper.

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NGSS.MS-PS4-2