Adriana yelled in a 60ft deep cave. It took 15 seconds for the echo to reach back to her. How fast were her sound waves traveling?
What is four feet per second?
100
A unit to measure the intensity
What is decibel
100
These cause sound waves
What is vibrations
100
A reflected sound wave.
What is sound wave.
200
Measurement of how high or low sound waves are.
What is pitch
200
Natalia was practicing her trombone. All alone in the 80ft band room, the sound waves traveled 20 feet per second. How long will it take for the echo to reach her?
What is four seconds?
200
This word is used to describe how high or low a sound is.
What is pitch?
200
Can sound travel under the water?
Yes
200
Interprets electrical signals so we can identify sounds
What is brain
300
The top of a sound wave is called_____
What is the crest
300
Vibrations are made by....?
What is friction or disturbance?
300
A period of a sound wave relates to ?
What is how long to takes to complete a vibrational cycle?
300
What must happen for something to create vibrations (sound waves)?
What is a disturbance in a medium?
300
chains of vibrating molecules
What are sound waves?
400
The distance between crest is called ____
What is wave length
400
Two dodos named Adriana and Emma decided to make their own "telephones" by connecting toilet paper tubes. Adriana yelled and her waves traveled .15 feet per second in the 20 ft tube how long will it take for it reach Emma?
What is 120 seconds?
400
Low pitches travel......?
What is slowly?
400
The speed at which particles of a medium vibrate is...?
What is frequency?
400
Do sound waves travel faster in water or air?
What is water (about 4 times faster) ?
500
The balance between opposing forces is called the....?
What is Equilibrium?
500
If there is an earthquake about 200 miles off the coast of Puerto Rico, and the waves are traveling 400 miles per hour .... how long will it take for a tsunami to reach the people of Puerto Rico?
What is 30 minutes?
500
what do you need to make a louder sound?
What is more energy?
500
What do strings in a guitar do in able to produce sound?
What is they vibrate and then echo off the back if the wall in a guitar?