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sound 1-20
| Question | Answer |
|---|---|
| A low pitch sound has what type of frequency? | low frequency |
| A high pitch sound has what type of frequency? | high frequency |
| Sound travels fastest through which material? | solids |
| Sound cannot travel through what? | vacuum |
| Sound is a form of what? | energy |
| The membrane inside the ear that detects vibrations is the what? | eardrum |
| Furniture and rugs reduce echo because they do what? | absorb sound |
| Which animals can hear very high frequencies? | bats dogs cats dolphins |
| Humans begin to feel pain from sound at about what decibel level? | 120 |
| A reflected sound wave produces what? | echo |
| For sound to occur something must do what? | vibrate |
| High amplitude creates what type of sound? | loud sound |
| Pitch is closely related to what property? | frequency |
| A place with no matter such as outer space is called what? | vacuum |
| Humans can hear frequencies up to about what? | 20,000 hertz |
| Which wave would be louder? | wave with larger amplitude |
| Pitch describes what about a sound? | how high or low it is |
| The rapid back-and-forth movement of something is called what? | vibration |
| Sound traveling through air moves slower than sound through what? | solids |
| Why do we see lightning before hearing thunder? | light travels faster than sound |