This is the part of the wave that is pushed together.
What is a compression?
100
This is how loud or soft a sound is.
What is volume?
100
This is a sound wave that bounces back toward its source and is heard.
What is an echo?
100
Both of these forms of communication use vibrations of the vocal cords inside the larynx.
What are singing and speaking?
200
This is a vibration that can be heard.
What is sound?
200
This is the number of waves that pass a specific point in one second.
What is frequency?
200
This is how high or low a sound is.
What is pitch?
200
This is the ability to see with sound.
What is echolocation?
200
This is how many of the early ideas and theories about sound were formed.
What is the study of music (or just music)?
300
Sound waves are classified as these kinds of waves.
What is mechanical or (are mechanical waves)?
300
This is the distance from one compression to the next.
What is a wavelength?
300
This is the quality of sound that distinguishes it from other sounds of the same pitch and volume (ex. - trumpet and flute).
What is timbre?
300
This is a type of echolocation that doctors use to "see" inside a patient without using surgery.
What is an ultrasound?
300
This is the science of sound.
What is acoustics?
400
Sound waves must travel through this.
What is matter?
400
This is the unit we use to measure frequency.
What is hertz?
400
This is the unit we use to measure the intensity of a sound.
What is decibels?
400
This type of echolocation was first used to locate things underwater.
What is sonar?
400
This is an example of technology that man has created based on God's design for the ear.
What is recording equipment or a microphone or a speaker?
500
This causes vibrations.
What is the movement of an object?
500
This is the order, from fastest to slowest, that sound moves through matter.
What is solid, liquid, gas?
500
This determines timbre.
What is the way waves blend together to make a sound?
500
These are two different animals that use echolocation.
What are whales, bats, oilbirds, dolphins, shrews, etc.? (any two)
500
This is a special, old, outdoor kind of theater, often found in Greece and Rome, that has a remarkable acoustic design in which people in the very back can hear someone on stage snap his fingers.