Light and Shadows

LIGHT ALWAYS PROPAGATES ALONG A STRAIGHT PATH.THIS PROPERTY IS CALLED

• ABSORBERS OF LIGHT

• RECTILINEAR PROPAGATION OF LIGHT

• REFLECTORS OF LIGHT

OBJECTS WHICH DO NOT EMIT LIGHT OF THEIR OWN ARE CALLED

• NON-LUMINOUS OBJECTS

• LUMINOUS OBJECTS

• LIGHT EMITTERS

The shadow of an object is always the same size as an object.

• True

• False

Tags

NGSS.5-ESS1-2

A smooth surface that reflects light to form an image is called a(n) .

• mirror

• lens

• optical axis

• camera

Tags

NGSS.MS-PS4-2

Objects that allow all light to shine through are called .

• opaque

• transparent

• translucent

• mirrors

Tags

NGSS.MS-PS4-2

When an object blocks the source of light, what is formed?

• reflection

• shadow

• image

• nothing

Tags

NGSS.MS-PS4-2

As the object moves closer to the source of light, the size of the shadow

• increases

• decreases

• remains the same

• is too small to see

Tags

NGSS.5-ESS1-2

Why do shadows made by the Sun move over the course of a day?

• Because the weather changes

• Because someone moves the objects

• Because the Sun appears to move across the sky

• Because it is magical!

Tags

NGSS.MS-ESS1-1

Which will make the darkest shadow?

• Sheet of thin tissue paper.

• glass window

• wooden chopping board

• plastic bottle

Tags

NGSS.MS-PS4-2

A student placed a pencil in a glass of water. The pencil appears broken because..

• light always travels in a straight line

• the pencil cuts through the water

• light bends when it passes through water

• light reflects the pencil on the surface of water

Tags

NGSS.MS-PS4-2