Light Waves Chapter 1

Which country has the highest rate of skin cancer in the world?

• Brazil

• Australia

• Japan

• Egypt

Light must be _______________ in order for the material to be affected by light.

• reflected

• penetrated

• absorbed

• surrounded

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1. 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.

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What type of scientist studies light and how it interacts with materials?!

• A chemist

• A physiologist

• A spectroscopist

• A scientologist

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This map is providing information about

• skin type

• amount of melanin

• amounts of sunlight

• skin cancer rates

What is the ability to make things move or change?

• energy

• light

• frequency

• wave

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When a material allows light to pass through it,

• the material reflects the light and changes

• the material absorbs the light and doesn't change

• the material transmits the light and doesn't change

• material transmits the light and changes

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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?

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

• No. Light can only change things by warming them up, so it cannot damage the car’s paint.

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

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

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In Lesson 1.2, you observed that a solar-powered toy moved when you shined a flashlight on it.

Select ALL of the statements below that accurately explain how this happened.

• Light from the flashlight carried energy.

• There was energy in the toy that was activated by the light.

• Energy from the flashlight was absorbed by the toy.

• The flashlight absorbed energy from the toy.

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In Australia,

• it's estimated that for every 200,000 people, over 220 of those people will develop Skin Cancer.

• it's estimated that for every 100,000 people, 100-130 of those people will develop Skin Cancer.

• it's estimated that for every 200,000 people, 100-130 of those people will develop Skin Cancer.

• it's estimated that for every 100,000 people, over 220 of those people will develop Skin Cancer.

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