Waves Test Review

How can you tell that this cat is composed of opaque material?

• It casts a shadow

• Its eyes are dilated

• One side of its body is illuminated

• You cannot tell that it is composed of opaque materials

The farther you move down the electromagnetic spectrum (left-right), the wavelengths will:

• stay the same

• increase

• decrease

• get higher

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

True or False: An object can have more than one property of light (transparent/translucent/opaque/reflective).

• not enough information given

• true

• false

• it is determined by the type of matter

Tags

NGSS.MS-PS4-2

The window in the image has this property of light:

• unbreakable

• opaque

• translucent

• transparent

Tags

NGSS.MS-PS4-2

The cube shows this property of light:

• translucent

• transparent

• opaque

• reflective

Tags

NGSS.MS-PS4-2

Which color of light is the strongest?

• red

• violet

• yellow

• green

Tags

NGSS.MS-PS4-2

Infrared waves are used:

• to communicate with others

• in nuclear bombs

• to see injuries of the bone

• to control TV and other remote controls

Tags

NGSS.MS-PS4-2

The speed of light can be slowed by light passing through:

• matter

• empty space

• thermal waves

• electrical currents

Tags

NGSS.MS-PS4-2

Why do you see lightning before hearing thunder?

• your eyes are more sensitive to light than your ears are sound

• light and sound travel at the same speed

• light travels slower than sound

• light travels faster than sound

Tags

NGSS.MS-PS4-1

Sensitivity is best described as:

• how far a light wave is from a source

• how a person views light waves

• how hot a light wave burns

• how far a light wave travels