SAVVAS Ch 1 Les 3 - Light Energy Quiz

What is reflection of light?

• The process by which light bounces off a surface and changes direction.

• The process by which light is emitted from a source and spreads out in all directions.

• The process by which light travels in a straight line without changing direction.

• The process by which light is absorbed by a surface and disappears.

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NGSS.MS-PS4-2

Explain how a mirror reflects light.

• The mirror creates its own light to reflect back

• The mirror reflects light by bouncing it off its smooth surface.

• The mirror refracts light by bending it as it passes through

• The mirror absorbs light and then emits it back out

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NGSS.MS-PS4-2

Give an example of reflection of light in everyday life.

• Paper

• Glass

• Wood

• Mirror

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NGSS.MS-PS4-2

What is refraction of light?

• The absorption of light by a medium

• The emission of light from a source

• The bending of light as it passes from one medium to another.

• The reflection of light off a surface

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NGSS.MS-PS4-2

How does a prism refract light?

• The prism has no effect on the light passing through it.

• The prism reflects the light back in the same direction.

• The prism absorbs the light and emits it in a different direction.

• The prism refracts light by bending it as it passes through the different medium.

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NGSS.MS-PS4-2

Explain why a pencil appears bent when placed in a glass of water.

• The glass distorts the shape of the pencil

• Refraction of light

• The water changes the physical properties of the pencil

• The pencil is made of a flexible material

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NGSS.MS-PS4-2

Name two natural sources of light.

• Sun and stars

• Fire and lightning

• Moon and streetlights

• Lamps and candles

What is the color at the top of the visible spectrum and the longest wavelength?

• orange

• yellow

• red

• green

What is the color at the bottom of the visible spectrum and the shortest wavelength?

• Green

• Violet

• Yellow

• Red

How does the color of an object change when it is viewed under different light sources?

• The color of the object becomes brighter

• The color of the object disappears

• The color of the object may appear different

• The color of the object remains the same

Tags

NGSS.MS-PS4-2