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Sound
Wehlander
Question | Answer |
---|---|
What is another word for amplitude? | Loudness |
What is another word for wavelength? | Pitch |
What is a series of vibrations that can be heard? | Sound |
What is the measure of sound energy reaching your ear? | Loudness |
What is the area where air is pushed together by vibrations? | Compression |
What is mabde by an object moving faster than the speed of sound? | Sonic Boom |
What is a reflection of sound waves? | Echo |
What are moving areas of high and low pressure? | Sound waves |
What is the rate of travel of a sound wave? | Speed of Sound |
What is the measure of how high or low a sound is? | Pitch |
What is the measure of energy a wave carries? | Amplitude |
What is the measure of the distance between a point on one wave and the same point on the next wave? | Wave Length |
What best shows how sound waves travel? | A rock dropped in water |
What helps your brain interpret signals as sounds? | Tiny hairs that affect nerve cells |
What affects the pitch of a stringed instrument? | The length of the strings |
What makes a sound's pitch high? | Source is vibrating quickly |
In a long hallway, what will make a sound most like the original? | Echo |
What can't sound waves travel through? | Empty Space |
What is related to how fast the source is moving back and forth? | Pitch |
How do you make sound lower on a guitar? | Lengthen the string |
If the amplitude of a wave decreases, you will hear what type of sound? | Softer |
Where are you more likely to hear an echo, in a small or large room? | Large |
How many bones are in your ear? | 3 |
What does sound travel faster through, softer or harder? | Harder |