Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Yr9 Sound and Ear

Part 2 of Energy topic on energy, sound and ear, light and eye definitions

TermDefinition
Longitudinal wave A wave produced by particles vibrating parallel to the direction of the wave movement
Transverse wave A wave produced by particles vibrating perpendicular (90o) to the direction of the wave movemet
Amplitude The height of a crest (or trough) of a wave when measured from the rest position
Wavelength The maximum distance between two adjacent/successive crests or troughs
Frequency The number of waves that pass a given point in one second
Sound Vibrations that travel through the air or another medium and can be heard when they reach a person’s ear.
Hertz (Hz) Unit of measurement of frequency
Crest The highest point of a wave
Trough The lowest point of a wave
Pitch Frequency of a sound wave
Loudness Amplitude of a sound wave
Oscilloscope An instrument used to visualise (or graph) the waves
Pinna The outer ear which focuses the sound into the inner ear
Auditory canal The channel that carries the sound focused by the pinna into the ear
Lobule The ear lobe
Semicircular canals The three tube-like and looped structures of the inner ear, that function together function to mainten the sense of balance in the body
Auditory nerve The nerves that carry the signals transferred by the cilia to the brain
Cochlea A coiled tub located in the inner ear
Hammer One of the three smallest bones in your body. This bone receives the sound wave’s vibrations from the ear drum
Anvil One of the three smallest bones in your body. This bone receives the vibration from the hammer
Stirrup One of the three smallest bones in your body. This bone receives vibrations from the anvil and passes it to the cochlea.
Ear drum A stretched membrane that behaves like the skin of a drum
Cilia Thousands of hair-like nerve endings found in the cochlea
Created by: kjsime