Chapter 7/8 Waves, circuits, and electricity

Waves only transfer __________, not __________.

• energy, matter

• matter, energy

• solids, liquids

• liquids, solids

Tags

NGSS.MS-PS4-1

Sound waves travel through __________, __________, and __________.

• air, liquids, solids

• Tacos, cheeseburgers, and diet coke

• rain, snow, and ice

• wind, tornados, and tsunamis

The __________ is the highest point of a transverse wave.

• peak

• trough

• energy

• vibration

Tags

NGSS.MS-PS4-1

Adding energy to a light or water wave causes the wavelength to __________ and the amplitude to __________.

• decrease, increase

• increase, decrease

• increase, increase

• decrease, decrease

Tags

NGSS.MS-PS4-1

Sound waves are created by __________.

• vibrations

• energy

• matter

• liquids

Tags

NGSS.MS-PS4-1

___ is how many wavelengths pass a point in a given amount of time.

• Frequency

• Wavelength

• Pitch

• Energy

Electronic communication devices translate sound and images into ___.

• code

• light

• electricity

• information

Electronic communication devices transmit information using ___ waves.

• radio

• ultraviolet

• infrared

• sound

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-3

What type of charge moves in an electric discharge?

• Positive

• Neutral

• Negative

• Static

Why does a fan stop spinning when its switch is turned to the off position?

• Because the fan is broken

• Because moving the switch opens the circuit

• Because the fan runs out of power

• Because the fan is too old