A type of wave that carries energy from one place to another, even through empty space

The wave sports fans do in a stadium for fun

When a material absorbs energy from light,

the energy causes the material to change.

there is no effect on the material.

The movement of energy can be tracked by observing...

the changes the energy causes to matter/material.

the changes the light causes to energy.

the evidence of energy left behind.

how much light comes from a light source.

We are trying to figure out why the Skin Cancer rate in Australia is so high . We disproved the Claim, which states that the cancer rate in Australia is high because Australia gets a lot of sun. Why did we disprove this Claim? Select ALL answers that apply.

Australia gets less sunlight than Northern Africa (Egypt) per year, but the skin cancer rate in Australia is higher than Egypt.

Australia gets the same amount of sunlight as Brazil per year, but the skin cancer rate in Australia is higher than Brazil.

Australia gets the same amount of sunlight as Brazil per year, but the skin cancer rate in Australia is lower than Brazil.

Australia gets more sunlight than Northern Africa (Egypt) per year, but the skin cancer rate in Australia is lower than Egypt.

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?

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.

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

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

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?

Yes. The rug can take in energy from the light, causing the rug’s color to fade.

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

No. Light can only change things by warming them up, so it cannot cause the rug’s color to fade.

Yes. Light from the sun can pull energy out of the rug, causing the rug's color to fade.

When a material allows light to pass through it,

the material transmits the light and doesn't change

the material reflects the light and changes

the material absorbs the light and doesn't change

material transmits the light and changes

Maya wonders which types of light could heat up a sheet of aluminum. The table below shows what happens when different types of light hit the aluminum.

Neither type of light is likely to heat up the aluminum because the aluminum does not take in energy from either the X-ray light or the ultraviolet light.

The X-ray light is more likely to heat up the aluminum because the X-ray light can pull energy out of the aluminum when it passes through the aluminum.

The ultraviolet light is more likely to heat up the aluminum because the ultraviolet light bounces off the aluminum, which means that it has more energy.

There is no way to know because they are two different types of light, and different types of light can change a material in different ways.

The number of waves that passes a point in a certain amount of time.

However many the sports fans can get before people quit doing it. Three, I think?

What does the evidence in these bar graphs show? (select all that apply)

There is about twice as many people in Brazil with high levels of melanin compared to Australia.

There are more people in Australia with a low level of melanin compared to Brazil.

There is not much difference in melanin level in people from both countries.

Both countries have a lot of people with a high level of melanin.

A material absorbs energy from some types of light and not others. Is this statement true or false?

True, for example a green plant absorbs red and blue light while it reflects green light.

True, as long as the temperature of the light is the same.

False, an object will either absorb light or not, it can't do both.

False, since light is not created or destroyed all objects must absorb light.

Which of the following claims about why Australia has higher rates of skin cancer can be refuted by the fact that Africa has very low rates of skin cancer as compared to Australia? (Mark all that apply)

There is something different about Australia's light.

Most people in Australia have an easily-damaged skin type.

Australia gets lots of sunlight.

When light shines on a black object, why does it get warm?

Because it absorbs all types of visible light that reach it

Because it reflects all types of visible light that reach it

Because all types of light carry energy

Can the paint on your house be damaged by the sun since it is exposed to the sunlight every day?

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

Yes, light can pull energy out of the paint, causing it to be damage.

No, light is not a physical thing, so it cannot change physical things like house paint.

No, light can only damage things by warming them up, so it cannot damage the house's paint .

Based on this information, which type of laser light can cut a hole in the silicone?

The carbon dioxide laser can cut a hole in the silicone.

The helium-neon laser can cut a hole in the silicone.

The diode laser can cut a hole in the silicone.

Any of these types of light can cut a hole in the silicone, because all light carries energy that can cause materials to change.

Green Lego® bricks reflects green light. Green Lego® bricks transmits infrared light. Which type of light is more likely to melt the Lego® bricks?

Neither type of light is likely to melt the Lego® bricks because the Lego® bricks do not take in energy from green light or infrared light.

The infrared light is more likely to melt the Lego® bricks because the infrared light can pull energy out when it passes through.

There is no way to know because they are two different types of light, and different types of light can change a material in different ways.

The green light is more likely to melt the Lego® bricks because the green light can pull energy out when it bounces off.

Solar panels reflect microwave light. Solar panels transmit radio light. Solar panels absorb visible light. Which type of light is more likely to increase electrical energy?

The visible light can cause the solar panel to increase electrical energy.

The visible light can cause the solar panel to increase electrical energy.The microwave light can cause the solar panel to increase electrical energy.

The radio light can cause the solar panel to increase electrical energy.

Any of these types of light can cause the solar panel to get warm, because all light carries energy that can cause materials to change.

Amplify Light Waves Review

Authored by Robert Sheridan

Science

8th Grade

NGSS covered

Used 43+ times

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35 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

These graphs show the wavelength and amplitude of light coming from three lasers. Could any of these lasers be giving off a different type of light?

Yes. Laser 2 could be giving off a different type of light because Laser 2 has a different wavelength than Lasers 1 and 3.

Yes. Laser 3 could be giving off a different type of light because Laser 3 has a different amplitude than Lasers 1 and 2.

Yes. All three lasers must be giving off different types of light because every light source gives off its own type of light.

No. All three lasers must be giving off the same type of light because all three are lasers, and the same kind of light source gives off the same type of light.

Tags

NGSS.MS-PS4-1

MULTIPLE SELECT QUESTION

45 sec • 1 pt

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.

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.

Light from the flashlight carried energy.

Tags

NGSS.4-PS3-2

MULTIPLE SELECT QUESTION

1 min • 1 pt

What does this piece of evidence from the "What is Melanin?" article prove? (check all that apply)

The genetic material in skin cells with more melanin absorbs less UV light from the sun.

UV light is attracted to skin cells.

The genetic material in skin cells with more melanin absorbs more UV light from the sun.

Melanin absorbs UV light from the sun, which can keep some UV light from reaching genetic material.

The genetic material in skin cells with less melanin absorbs more UV light from the sun.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In order to see an object, light must be

reflected off the object and into your eyes

absorbed by your genetic material

reflected off the object then off the ground then into your eyes

transmitted into your skin

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In order for light to change an object, that object must _______ the light and its energy.

transmit

absorb

reflect

increase

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we see objects as white?

All colors of visible light are absorbed by an object and no light is being reflected into our eye.

All colors of visible light are absorbed by an object and then reflected into our eye.

All colors of visible light are reflected off an object and then to our eye.

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The distance from one peak of a wave to the next

Wavelength

Amplitude

Frequency

Rate

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Amplify Light Waves Review

These graphs show the wavelength and amplitude of light coming from three lasers. Could any of these lasers be giving off a different type of light?

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.

What does this piece of evidence from the "What is Melanin?" article prove? (check all that apply)

In order to see an object, light must be

In order for light to change an object, that object must _______ the light and its energy.

Why do we see objects as white?

The distance from one peak of a wave to the next

A type of wave that carries energy from one place to another, even through empty space

The maximum height of a wave

This word means "to give off"

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