Means "a disturbance of energy."

• wave

• volume

• vibration

• frequency

Tags

NGSS.MS-PS4-1

If you were observing light shining on a piece of wax paper, which term would you accurately use to describe how it reacts to light?

• opaque

• reflected

• transparent

• translucent

Tags

NGSS.MS-PS4-2

If you were observing light shining on a wooden door, which term would you accurately use to describe how it reacts to light?

• opaque

• reflected

• transparent

• translucent

Tags

NGSS.MS-PS4-2

If you were observing light shining on a cloth lamp shade, which term would you accurately use to describe how it reacts to light?

• opaque

• reflected

• transparent

• translucent

Tags

NGSS.MS-PS4-2

What term describes the number of vibrations that occur during a unit of time?

• sound

• volume

• wavelength

• frequency

To measure a wavelength, what do you look for?

• the height of the wave

• the distance between two high points

• the length of the wave

• how fast a high point moves

What happens when you flash a flash light at an angle into a mirror?

• light waves strike the surface of the mirror and are reflected in one new direction

• light waves strike the surface of the mirror and are reflected in multiple directions

• some like passes through the mirror, while the other is reflected

• the light is absorbed

Tags

NGSS.MS-PS4-2

How does sound change as it travels through different states of matter?

• Matter can change the volume of a sound, but not the pitch and clarity.

• Matter cannot change a sounds' characteristic.

• Matter can change a sound's volume, pitch, and clarity.

• Matter cannot change the volume or pitch of a sound.

Tags

NGSS.MS-PS4-2

Which statement below best explains the use of concave and convex lenses are used for glasses?

• concave lenses spread light

• different vision problems require one type of lens or the other

• both lenses are different, but not in function

• both lenses work together to correct vision

Which is an example of reflection?

• a mirror absorbs as well as reflects light waves

• a prism is used to reflect all the colors of light

• reflection can occur whether light is present or not

• an image can be reflected by a solid surface of a liquid surface

Tags

NGSS.MS-PS4-2