A Model to Explain how we see Objects

How could a mirror be used to see an object that is hidden from view?

• It can absorb all the light

• It can reflect the light back to the object

• It can reflect the light off the object into the persons eye

• It can absorb the light off the object into the persons eye

Tags

NGSS.MS-PS4-2

A student was looking at a picture book in a room that had no light entering from the outside. Suddenly, the lights went out. Could the student still see the picture?

• No because he closed his eyes

• Yes because there was more light to reflected into his eyes

• Yes because he closed his eyes

• No because there was no light to reflect off the picture into his eyes

Tags

NGSS.4-PS4-2

Why is a student unable to read when they close their eyes?

• The light disappears

• The light is absorbed by the book

• The light reflected off the book cannot enter her eye

• The light passes into her eyes

Tags

NGSS.MS-PS4-2

A student sat in a room with a light on. Explain how she is able to read.

• Light travels to the book and is absorbed

• Light travels to the book, and reflects into her eye

• The book produces its own light

• There is no light in the room

Tags

NGSS.MS-PS4-2

Transparent

• Allows light to pass through easily, giving a clear image

• Does not let light pass through

• Allows only some light to pass through, giving a blurred image

• Only lets orange light pass through

Tags

NGSS.MS-PS4-2

Opaque

• Only lets some light through

• Doesn't let light pass through

• Lets light pass through

• Only lets green light pass through

Tags

NGSS.MS-PS4-2

An example of a translucent material is

• wood

• a tissue

• glass

• metal

Tags

NGSS.MS-PS4-2