the eye

what does the Iris do?

• Controls the amount of light entering the eye.

• Widens or narrows the pupil

• protects the eye

• Focuses light onto the retina

what is sonar?

• A higher frequancy than people can hear.

• Sound waves that reflect off of an object.

• The colored part of the eye.

• Waves the vibrate at right angles to the direction of the wave.

Tags

NGSS.MS-PS4-2

What is the Pupil.?

• The colored part of the eye

• A higher frequency than people can hear

• Waves that vibrate at right angles to the direction of the wave

• Controls the amount of light going into the eye

What are longitudinal waves

• Sound waves that reflect off of an object.

• The colored part of the eye.

• Waves that vibrate parallel to the direction of the waves.

• Waves that vibrate at right angles to the direction of the wave.

what is ultrasound.?

• Controls the amount of light going into the eye

• A higher frequency than people can hear

• The colored part of the eye

• Sound waves that reflect off of an object

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

what are transverse waves

• the colored part of the eye

• Sound waves that reflect off of an object

• Waves that vibrate at parallel to the direction of the wave

• Waves that vibrate at right angles to the direction of the wave

what is the iris.?

• A higher frequency than people can hear

• Sound waves that reflect off of an object

• The colored part of the eye

• Controls the amount of light that enters the eye

what is not in the process of light going through the eye

• Cornea

• Lens

• Iris

• Pupil

how does sound travel.?

• Transverse waves

• Longitudinal waves

• Frequency

• Amplitude

Tags

NGSS.MS-PS4-2

What is the number of waves that occur in a given amount of time.?

• Frequency

• Amplitude

• Transverse waves

• Longitudinal waves