Science 1
Sound waves travel fastest through?
Solids
The ___ ear includes the hammer, anvil, and stirrup.
Middle
Anything that takes up space and has weight is
Matter
The process by which liquid water becomes water vapor is
Evaproation
What are the parts of an ear?
Auricle
Eardrum
Anvil
Stirrup
Cochlea
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Sound travels faster than light, true or false?
False, slower
The auditory __ carries the message of sound to the brain.
nerve
The particles which make up molecules are
Atoms
The process by which water vapor turns back to liquids is
condensation
What is a reflected sound that is heard again?
Echo
Sound is a form of?
Energy
When an object vibrates rapidly, the sounds produced have a high pitch, true or false?
True
The freezing point of water is
32 degrees
The bossy bird that plants oak trees
Blue jay
What is the snail-shaped part of the ear that contains the actual organ of hearing?
Cochlea
True or false, sound waves cannot travel through empty space?
True
The __ frequency that the human ear can hear is 20 times per second.
Lowest.
The boiling point of water is?
212 degrees
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The bird that walks headfirst down trees
Nuthatch
Sonar is used for?
Determining the depth of the water and location objects in the sea.
Speech is produced by the vibrations of the ?
Vocal cords
Clouds are made of air and _?
Water
Because air has weight, it exerts?
Pressure.
The singing bird that mimics other birds
Mockingbird
The inventor of the phonograph
Thomas Edison