Waves lesson 1
Waves lesson2
Sound lesson 1 and 2
Sound lesson 4
Miscellaneous
100
A disturbance involving the transfer of energy from place to place.
What is a wave
100
Frequency is measured in units called _______.
What is hertz.
100
A disturbance that travels through a medium as a longitudinal wave
What is sound
100
You ear gathers sound waves and sends information about sound to the _______
What is brain
100
Can sound travel through a vacuum.
What is no
200
The material through which a wave travels is called a _______ .
What is a medium
200
The _____ of a wave is the number of waves that pass a given point in a second.
What is frequency
200
If the air is dry the sound travels slower true/false
What is true
200
The ear drum is a tightly stretched _____ membrane
What is drum like
300
A repeated back and forth or up and down motion.
What is a vibration
300
Your ear canal is a few _____ long and ends at the ear drum.
What is centimeters
300
How much matter or mass there is in a given ammount of space or volume.
What is density
300
Your ear canal is a few _______ long and ends at the ear drum
What is centimeters
300
Bats use echolocation to detect prey.
What is true
400
A system that uses reflected sound waves to detect and locate objects under water is called.
What is sonar
400
The ______is the maximum distance the medium vibrates from the rest position.
What is amplitude.
400
The _____ of a sound you hear depends on the frequency of the sound wave
What is pitch
400
The three smallest bones in the body are the ____, ______ and _____
What is hammer, anvil and stirrup
400
A system that uses reflected sound waves to detect and locate objects under water is called
What is sonar
500
Each packet of light energy is called a ________.
What is a photon
500
Frequency=speed over ______
What is wavelength
500
The loudness of different sounds at compared using a unit called ______
What is decibel
500
The _____ nerve sends signals to the brain
What is auditory
500
Each packet of light energy is called a _________.
What is photon (caius)
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