6.1Light and Matter review for TEST

There is a one-way mirror between Room A and B. If you are looking through the back of Room A and a bright light is shining into Room A with no light in Room B, what will you see?

• The objects in Room B only

• The objects in Room A only

• The objects in both Room A and Room B

• None of the objects in either room would be visible

In order for the music teacher to see the student, which of the following MUST be true? (Choose the BEST answer).

• Light must reflect off the walls in the room where the student is.

• Light must reflect off the music teacher.

• Light must reflect off of the one-way mirror.

• Light must reflect off the student and transmit through the one-way mirror to the teacher's eyes.

The layer of receptor cells that lines the back of the eye where nerve impulses begin is called the ______.

• Iris

• Lens

• Retina

• Pupil

The part of the eye that regulates the amount of light entering the eye and gives the eye its color is called the _____.

• iris

• lens

• pupil

• retina

The pupil _____

• focuses light

• is the clear tissue that covers the front of the eye

• opening through which light enters the eye

• layer of receptor cells

What detects color?

• cones

• rods

• iris

• pupil

When the eye is too long from front to back, it can result in _____.

• Nearsightedness

• Farsightedness

• Blindness

• Double Vision

When the eye is too short from front to back, it can result in _____.

• Nearsightedness

• Farsightedness

• Blindness

• Double Vision

Which best explains why the teacher sees the student? (Note: these are all true, but which one is the answer to this particular question)

• Light bounces off the teacher and transmits through the glass back to the student's eyes.

• The eye sees things upside down and our brain turns the image right side up.

• There is a light on in the room where the student is standing and it is dark where the teacher is standing. This stronger light is reflected off of the mirror back to the student's eyes.

• There is a light on in the room where the student is standing and it is dark where the teacher is standing. The stronger light is bouncing off of the student, through the one-way mirror, and back to the teacher's eyes.

Why is it hard to see your phone or tablet screen in bright sunlight even though it is on? 

• the light reflecting from the sun is so bright it is hard to detect the device's light

• the light from the device is so much brighter but you are squinting because the sun and therefore cannot see the screen.

• The device is on battery save mode and dims because of the sun's power

• all of these