Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
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
Normal Size Small Size show me how
Sound Vocabulary
| Term | Definition |
|---|---|
| Sound is _________________________ | a kind of energy that travels in waves that you hear |
| Sound is made when objects do what? | vibrate, or move back and forth quickly |
| Sound is a form of energy that __________________ | travels as waves through matter |
| A wave is a change that _______________________ | carries energy from one place to another |
| A sound wave goes | up and down |
| Crest | Each high point in a sound wave |
| Trough | Each low point in a sound wave |
| Wavelength | The distance between one crest or trough to the next |
| Frequency | Number of vibrations created (number of crests or troughs that pass by over a certain amount of time) |
| Resting point | Halfway between a crest and a trough |
| Amplitude | The distance between the resting point and a crest or trough |
| Pitch | How high or low a sound is |
| Volume | How loud or soft a sound is |
| Echoes | When sound waves bounce off a hard surface |
| High pitch | Produced by objects that vibrate quickly |
| Low pitch | Produced by objects that vibrate slowly |
| Vibrations | How sounds are produced |
| Outer ear | The part of the ear that you can see; it catches the sound waves |
| Eardrum | Flap of skin inside the ear. It vibrates when sound waves hit it. |
| Middle Ear | After the eardrum vibrates, the vibrations move to the middle ear. |
| Inner Ear | Where waves move to after they hit the middle ear; the inner ear sends messages to the brain. |
| Acoustics | The study of how sounds travel and can be controlled. |
Created by:
user-1539745
Popular Science sets