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WorksheetsLight Waves and Ems Review
Total questions: 20
Worksheet time: 13mins
When light strikes an object, it can do all of the following, except...
Be reflected
Be transmitted
Be produced
Be absorbed
UV light can damage what inside our body that can lead to cancer?
Cells
Genetic Material
Hair
Mind
Light can change a material when it is
Transmitted
Reflected
Absorbed
True or False: Changing the amplitude changes the type of light?
True
False
What absorbs UV light before it reaches genetic material?
Melanin
Skin
Cells
DNA
This material transmits light
Ozone
Carbon Dioxide
Sulfuric Acid
This material reflects light
Ozone
Carbon Dioxide
Sulfuric Acid
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?
No. Light is not a physical thing, so it cannot change physical things like nail polish.
Yes. Light from the sun can pull energy out of the nail polish, causing it to change color.
Yes. The nail polish can take in energy from the light, causing it to change color.
No. Light can only change things by warming them up, so it cannot cause the nail polish to change color.
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?
Yes. Jayden’s teeth can take in energy from the light, causing them to become whiter.
Yes. Light can pull energy out of Jayden’s teeth, causing them to become whiter.
No. Light can only change things by warming them up, so it cannot cause Jayden’s teeth to become whiter.
No. Light is not a physical thing, so it cannot change physical things like teeth.
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?
Because ultraviolet light pulls energy out of the paint, and light from the overhead lamps does not.
Because ultraviolet light carries energy, and light from the overhead lamps does not.
Because the paint can take in energy from ultraviolet light but not from the light from the overhead lamps.
Because ultraviolet light carries heat molecules, and light from the overhead lamps does not.
What do plants do when they absorb sunlight?
Die
Reproduce
Photosynthesis
Respiration
True or False: All light is the same?
True
False
