Mirrors, Lenses and the Eye

The __________ is a layer of light-sensitive cells on which images form.

• cornea

• retina

• iris

The iris controls the amount of light entering the eye. In bright light, the iris causes the pupil to become _________.

• pupil

• iris

• smaller

A transparent object with at least one curved side that causes light to change direction is ______________.

• a lens

• a mirror

• a prism

When reflected light comes in contact with your eye, the cone cells in your retina send ________________ to your brain.

• light signals

• telegrams

• nerve signals

Tags

NGSS.MS-LS1-8

The image formed by a concave lens appears to be upright, smaller, and __________________ than the original object.

• inward

• different

• farther away

The ________ of a mirror's surface affects how the image appears in that mirror.

• curve

• size

• density

The color of an object is mostly determined by the wavelengths of light that are _____________.

• reflected

• transmitted

• absorbed

Tags

NGSS.MS-PS4-2

The __________ is the first part of your eye that light rays travel through.

• cornea

• lens

• pupil

Any smooth surface that reflects light to form an image is a(n) ____.

• telescope

• microscope

• mirror

Tags

NGSS.MS-PS4-2

Photoreceptors that detect Color

• Cones
• Rods

Tags

NGSS.MS-LS1-8