Waves, Eye

What do waves carry?

• Energy

• Matter

• Particles

• Molecules

Tags

NGSS.MS-PS4-1

The highest point on a transverse wave is the ______ and the lowest point is the ______.

• amplitude; frequency

• frequency; amplitude

• crest; trough

• trough; crest

Tags

NGSS.MS-PS4-1

Light can travel from the sun to Earth because it does not need a _______.

• crest

• trough

• medium

• frequency

Which part of the eye changes light waves into electrical signals?

• tear duct

• pupil

• iris

• retina

Which of these would most likely damage your hearing?

• Listening to music at a really low volume

• Listening to music in a language that you don't understand

• Listening to music that is too loud.

• Listening to different music in each ear

How does the cochlea help us to hear?

• It turns mechanical vibrations into nerve signals.

• It turns nerve signals into mechanical vibrations.

• It turns sound waves into mechanical vibrations.

• It turns mechanical vibrations into sound waves.

Tags

NGSS.HS-PS4-5

Which person is most likely to damage their hearing?

• Frank works in a loud construction site but wears earplugs.

• Sally cuts grass with a riding mower once a month without earplugs.

• Tom frequently listens to his music through earbuds with the volume up loud enough to drown out other sounds.

• Amanda listens to her brothers yelling at each other through her bedroom walls every day.

Which part of our ear contains cells to sense vibrations?

• eardrum

• cochlea

• ossicles

• semi-circular canals

How do sound waves carry energy?

• They move up and down.

• They vibrate atoms in a medium.

• They heat up the space around them.

• They create an electrical current in a medium.

Tags

NGSS.MS-PS4-1

How are wavelength and frequency related?

• They are the same thing when talking about waves.

• Frequency tells us how many wavelengths are passing a point in one second.

• The wavelength tells us how many frequencies the wave has.

• The frequency of the wave is opposite of the wavelength.

Tags

NGSS.HS-PS4-1