The Nature of Light

What is light?

• • A form of electricity

• • A type of sound wave

• • Traveling energy that we can see

• A feather

How fast does light travel?

• • 186,000 miles per second

• • 500,000 miles per day

• • 10,000 miles per minute

• 1 mile per day

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NGSS.MS-PS4-1

What does the electromagnetic spectrum include?

• • Only sound waves

• • All energy waves, including radio waves and light

• • Only visible light

• • Only x-rays and microwaves

Match the following

• visible part of the electromagnetic spectrum

• light

• glass that separates light

• electomagnetic spectrum

• distance light travels in one year

• prism

• range of all types of light waves

• light-year

• to bounce back light

• reflect

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NGSS.MS-PS4-2

What happens when light waves bounce off objects?

• • They disappear

• • They change into heat

• • They reflect, allowing us to see shapes and colors

• They turn into sound

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NGSS.MS-PS4-2

What happens when light waves bounce off objects?

Answer explanation

When light waves bounce off objects, they reflect, allowing us to see shapes and colors.

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NGSS.MS-PS4-2

What creates white light?

• • No color waves

• • A combination of all color waves

• A White Star

• • Only red and blue waves

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NGSS.MS-PS4-1

What does a prism do to white light?

• • It makes the light waves faster

• • It separates the light into different colors

• • It combines the light waves

• • It turns it into sound

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NGSS.MS-PS4-2

Why do you see a red shirt as red?

• • The shirt reflects only red light waves

• • The shirt reflects all colors

• • The shirt absorbs red light waves

• • The shirt has no color

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NGSS.MS-PS4-2

What do white objects do with light?

• Make a sandwich

• • Reflect all colors

• • Absorb all colors

• Turn it black

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NGSS.MS-PS4-2