Understanding Light and Vision

Charlotte and Nora are in a room with a lamp. How does the light from the lamp allow them to see the objects in the room?

• Light is absorbed by objects and then enters the eye.

• Light reflects off objects and enters the eye.

• Light is created by objects and then enters the eye.

• Light passes through objects and enters the eye.

Tags

NGSS.MS-PS4-2

Which of the following best describes the process of seeing an object?

• Light is absorbed by the eye and then reflects off objects.

• Light reflects off objects and enters the eye, allowing us to see.

• The eye emits light that bounces off objects and returns to the eye.

• Objects emit light that directly enters the eye.

Tags

NGSS.4-PS4-2

Why is it important for light to reflect off objects for us to see them?

• It allows the objects to change color.

• It enables the eye to receive information about the objects.

• It makes the objects disappear.

• It helps the objects to move.

Tags

NGSS.MS-PS4-2

What would happen if light did not reflect off objects?

• Objects would become invisible.

• Objects would change shape.

• Objects would emit their own light.

• Objects would appear larger.

Tags

NGSS.MS-PS4-2

Mia is trying to see a book on her desk. Which of the following is a necessary condition for her to see the book?

• The book must be moving.

• The book must reflect light.

• The book must be warm.

• The book must be colorful.

Tags

NGSS.MS-PS4-2

How can you model the process of seeing an object using a flashlight and a mirror?

• Shine the flashlight directly into your eyes.

• Shine the flashlight on the mirror and observe the reflection.

• Shine the flashlight away from the mirror and observe the darkness.

• Turn off the flashlight and look at the mirror.

Tags

NGSS.MS-PS4-2

What role does the eye play in the process of seeing?

• The eye absorbs light and changes its color.

• The eye reflects light back to the objects.

• The eye receives light that has reflected off objects.

• The eye emits light to illuminate objects.

Which of the following scenarios would prevent you from seeing an object?

• The object is in a dark room with no light source.

• The object is brightly lit by a lamp.

• The object is outside on a sunny day.

• The object is in a room with a window.

How does the reflection of light help us determine the shape of an object?

• By changing the color of the object.

• By allowing us to see the outline and details of the object.

• By making the object appear larger.

• By making the object disappear.

Tags

NGSS.MS-PS4-2

What is the main reason we cannot see in complete darkness?

• There is no light to reflect off objects and enter our eyes.

• Our eyes are closed in the dark.

• Objects become transparent in the dark.

• Our eyes do not work at night.

Tags

NGSS.MS-LS1-8