Forces
A ________________ is a push or pull and can make an object stop, speed up, slow down, or change direction.
force
All of the following are phases (states) of matter EXCEPT:
a. solid
b. liquid
c. gas
d. putty
d. putty
How is sound made?
by vibrations of matter
An ___________ is reception of hearing.
Ear
This part of the ear acts like a funnel to catch sound waves and send them to the middle ear.
outer ear.
The force that works against motion is? .
a. friction
b. newton
c. direction
d. acceleration
a. friction
The freezing point of water is the same as it’s?
a. melting point.
b. boiling point.
c. sublimation point.
d. evaporation point.
a. melting point.
What is the unit used to measure sound?
Decibel
The highest point of a wave is called the __________.
a. crest
b. trough
c. amplitude
d. wavelength
a. crest
This part of the ear is shaped like a snail.
What is the cochlea
What are two examples of forces?
a. art and music
b. push or pull
c. mix and match
d. catch and fall
b. push or pull
Which of the following is NOT a way that
matter changes phase?
a. melting
b. freezing
c. evaporation
d. mixing
d. mixing
Sounds above __________decibels can cause hearing loss over time.
60 and above
What is how high or low a sound is?
a. volume
b. pitch
c. frequency
d. wave
b. pitch
This part of the ear sends the sound message to the brain.
What is the auditory nerve.
What is the definition of motion?
a. an object in motion changes position
b. affected by the motion of the observer
c. It happens instantly
d. a change in position over time
d. a change in position over time
The melting point of water is:
32 degrees
When someone asks you to turn down the stereo, he is asking you to
a. increase the frequency.
b. decrease the frequency.
c. increase the amplitude.
d. decrease the amplitude.
d. decrease the amplitude.
Reflecting sound is called a .
a. wavelength
b. echo
c. frequency
d. volume
b. echo
ear drum.
A force that occurs when an object rubs against another object?
a. thermometer
b. conduction
c. friction
d. radiation
c. friction
Matter changing from a solid to a gas is called:
sublimation
Sound cannot travel in a ___________, but light can.
a. Vacuum
b. Wave
c. Solid
d. Gas
a. Vacuum
Volume measures which of the following?
a. loudness of sound
b. speed
c. capacity
d. wave
a. loudness of sound