Sound and Light Waves and Medium

Reflection is the bouncing of light rays off of a surface. Which situation is NOT an example of reflection?

• lookiing at yourself in the mirror

• focusing light through a camera lens

• seeing an image of yourself in a still lake

• looking at your teacher at the front of the class

Tags

NGSS.MS-PS4-2

An echo is an example of sound a sound wave

• diffraction

• interference

• reflection

• refraciton

Tags

NGSS.MS-PS4-2

Sound proof tiles are made of a porous surface (with lots of holes) so that the sound is not transmitted fom room to room. This is a good example of

• absorption

• amplification

• diffraction

• refraction

Tags

NGSS.MS-PS4-2

Houses with carpet are much quieter than houses with tile or hardwood floors because of sound waves

• absorption

• diffraction

• reflection

• refraction

Tags

NGSS.MS-PS4-2

Refraction occurs when a wave changes its

• color

• frequency

• intensity

• speed

Tags

NGSS.MS-PS4-2

You see an image in a mirror because light waves are

• diffracted

• reflected back to you

• refracted through air

• refracted to a focal point

Tags

NGSS.MS-PS4-2

Why does light behave as shown in the image when it passes from air to glass?

• Light is scattered on the surface of the glass

• LIght slows down when it passes into a denser medium

• Light is partially reflected on the surface of glass

• Light splits into colors when it passes through glass

Tags

NGSS.MS-PS4-2

Media A, B, C, and D represent different mediums. The phenomenon in this diagram is BEST described as

• diffraction

• dispersion

• reflection

• refraction

Tags

NGSS.MS-PS4-2

What property of light is shown in the picture?

• absorption

• diffraction

• reflection

• refraction

Tags

NGSS.MS-PS4-2

Which of these is an opaque object?

• piece of wood

• sunglass lenses

• piece of paper

• clear glass vase