Sound Light

Sounds are produced when an object ____.

• stuck

• stops

• vibrates

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

Which form of energy travels in waves?

• light energy

• sound energy

• both light and sound energy

• no form of energy travels in waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What form of energy must travel through matter (solid, liquid, gas)

• light energy

• sound energy

• both light and sound energy

• no form of energy can travel through matter

Tags

NGSS.MS-PS4-2

Which form of energy travels faster than anything in the universe?

• electrical energy

• sound energy

• heat energy

• light energy

Because light travels faster than sound, you see ​ (a)   before you hear thunder

• lightning

• rainbow

• fireworks

We can see things with the help of __________________.

• light

• air

• lens

Tags

NGSS.MS-LS1-8

What is the speed of sound in air at room temperature?

• 343 m/s

• 299,792 km/s

• 1,225 km/h

• 150 m/s

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which phenomenon explains why we see lightning before hearing thunder?

• Refraction

• Reflection

• Diffraction

• Speed of light is greater than speed of sound

What is the unit of frequency for sound waves?

• Hertz (Hz)

• Decibel (dB)

• Newton (N)

• Pascal (Pa)

Tags

NGSS.MS-PS4-1

Which part of the human ear is responsible for converting sound vibrations into electrical signals?

• Cochlea

• Eardrum

• Pinna

• Auditory canal