LENSES

A lens is a ____________medium bounded by two surfaces.

• opaque

• translucent

• transparent

Tags

NGSS.MS-PS4-2

A converging lens is also known as a ____ lens.

• convex
• concave
• double
• refracted

What does the word "diverging" mean?

• to spread apart
• to come together
• parallel
• perpendicular

A diverging lens is also known as a ____lens.

• refracted
• diffracted
• convex
• concave

Which describes a convex lens?

• triangular in shape
• more transparent in the middle
• thicker on the edges than in the middle
• thicker in the middle than on the edges

A _______ breaks white light into colors.

• prism
• visible spectrum
• shadow
• lens

White light is made up of:

• red, yellow, and blue
• no colors
• all colors
• red, green, and blue

Light travels in ____ lines called waves.

• straight
• curvy

The following is a picture of what type of mirror? 

• Convex (diverging) mirror
• Concave (converging) mirror
• Plane Mirror
• Flat Mirror

Tags

NGSS.MS-PS4-2

A concave lens has an inward curved shape. It refracts light outward from the lens. They light rays spread apart as they exit the lens. Which represents a concave lens?

• A

• B

• A and B

• neither A or B