Light, Reflection, and Refraction

Why does the straw appear to be bent?

• light is reflected

• light is absorbed

• light is turned

• light is refracted

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NGSS.MS-PS4-2

When light hits an area and bounces back it is called:

• echo

• refraction

• reflection

• absorbing

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NGSS.MS-PS4-2

When light passes from air to water, what happens to the speed of the light?

• speeds up

• slows down

• stays the same

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NGSS.MS-PS4-2

The following diagram shows the ray diagram when a torch light is torched towards a mirror. Which of the following is the correct reflected ray?

• 
• 
• 
• 

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NGSS.MS-PS4-2

What is the angle of reflection equal to?

• The angle of refraction

• The angle of incidence

• The angle of absorption

• The angle of light

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NGSS.MS-PS4-2

Light travels in a _________ line.

• wavy

• curved

• straight

• low

According to the Law of reflection, a light ray striking a mirror

• continues moving through the mirror in the same direction
• moves into the mirror at a slightly different angle
• bounces off the mirror toward the direction it came from
• bounces off the mirror at the same angle it hits.

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NGSS.MS-PS4-2

The imaginary line perpendicular to a reflecting surface is called _____.

• crooked line
• parallel line
• angular line
• normal line

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NGSS.MS-PS4-2

How does light behave as it enters these mediums?

• continue its path as straight line.
• bends toward the normal
• bends away from the normal
• reflects

Light changes speed as it travels through various mediums.  What are examples of mediums that light can travel through.

• snow and ice
• air and water
• cloth and wood
• glass and wood

Tags

NGSS.MS-PS4-2