PS (Q4) - Refraction and Lenses

The change in direction of a wave as it changes speed while moving from one medium to another.

• refraction

• redirection

• absorption

• reflection

Tags

NGSS.MS-PS4-2

What happens when light refracts through a material?

(select all that apply)

• light changes direction

• light changes speed

• light is absorbed

• light is reflected

Tags

NGSS.MS-PS4-2

Why does light bend when it travels through different mediums?

• it changes speed

• it changes color

• it changes amplitude

• it gets absorbed

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When light travels from air into water, it ​ (a)  

• slows down
• speeds up
• stays the same speed

Tags

NGSS.MS-PS4-2

What is true about how light travels through materials?

• light travels slower through materials with a high index of refraction

• light travels faster through materials with a high index of refraction

• light travels the same speed through all materials

Tags

NGSS.MS-PS4-2

As light travels from the air into the glass....

• it bends toward the normal

• it bends away from the normal

• it travels in a straight line

Tags

NGSS.MS-PS4-2

As light travels from the glass into the air....

• it bends toward the normal

• it bends away from the normal

• it travels in a straight line

Tags

NGSS.MS-PS4-2

The line labeled as the 'normal' is...

• a line perpendicular to a surface

• a line parallele to a surface

• the path light travels through a medium

Tags

NGSS.MS-PS4-2

What property of light is important to all of these technologies?

• refraction

• absorption

• reflection

• diffraction

Tags

NGSS.MS-PS4-2

A lens that is thicker in the middle than the edges.

• convex lens

• concave lens