Refraction

Light refracts when:

• It changes speed

• It changes from a particle to a wave

• Its density changes

• It encounters a solid object

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is this called?

• refraction

• reflection

• reconstroction

• retraction

Tags

NGSS.MS-PS4-2

According to Willebord Snell, light passing from air to glass will cause the light to

• maintain its original speed 

• accelerate while it is in glass

• increase its speed

• reduce its speed

Tags

NGSS.MS-PS4-2

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

Glass has a _____________ index of refraction than air.

• Equal

• Greater

• Less

• Impossible to say

Tags

NGSS.HS-PS4-1

This shows the phenomenon known as....

• reflection

• refraction

• mirrors

• focal point

Tags

NGSS.MS-PS4-2

When a red light ray travels from air into a glass block, its

• velocity increases and its wavelength decreases 

• velocity decreases and its frequency stays the same

• velocity decreases and its frequency increases

• velocity remains the same and its wavelength decreases

Tags

NGSS.MS-PS4-2

Why does the lower part of the child appear so much different in size from the upper part?

• The light rays that travel through water and then into air are refracted.

• The light rays that travel through water and then into air are enlarged.

• The light rays that travel through air and then into water are reflected.

• The light rays that travel through air and then into water are reduced.

Tags

NGSS.MS-PS4-2

• Reflection
• Refraction

Tags

NGSS.MS-PS4-2

The point where the rays meet is known as....

• Fire

• the focal point

• refraction

• Plane of the lens