Vocab
Vocab
Sound 1
Sound 2
Sound 3
100
Series of vibrations that can be heard
What is sound
100
Measure of sound energy reaching your ear.
What is loudness?
100
The direction in which sound waves travel.
What is in all directions?
100
What you need to make a sound louder.
What is more energy?
200
Rate of travel of a sound wave
What is speed of sound?
200
Sound wave made by an object moving faster than the speed of sound
What is a sonic boom?
200
The reason you can hear things better in a long hallway or if you put your hand around your mouth.
What is the sound is funneled in the same direction with nothing to bounce off of?
200
The reason you see a batter hit the ball before you hear the sound of it.
What is light travels faster that sound?
200
If I dropped something on the floor in the classroom, this is the place in school that would be least likely to hear it. Why?
What is the library, 6th grade, kindergarten, etc because they are farther away?
300
Area where air is pushed together by vibrations.
What is compression?
300
Reflection of sound waves
What is an echo?
300
The reason for a sonic boom
What is objects move faster than sound?
300
High pitch equals this kind of vibration.
What is fast?
300
Pitch is changed by these two things.
What is length of strings and thickness?
400
Moving areas of high and low pressure.
What are sound waves?
400
Measure of how high or low a sound is.
What is pitch?
400
The place where the brain "gets" sound from.
What are the hairs and nerve cells in the inner ear?
400
Reason you don't hear echoes in forest.
What is the sound bounces off of all of the trees?
400
Sounds move fastest in this type of material.
What is solids?
500
Measure of energy a wave carries
What is amplitude?
500
Measure of the distance between a point on one wave and the same point on the next wave
What is wave length?
500
The reason no sound can be heard in space.
What is there is no air particles in space?
500
The number of main parts of the ear.
What are three?
500
The more intense the sound the louder or softer the sound is.
What is louder?
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