Vocabulary
Alexander Graham Bell
Sounds
The Ear
100
A form of energy that comes from objects that vibrate
What is sound
100
Alexander Graham Bell is best known for this invention
What is telephone
100
A fast vibration causes this kind of sound
What is high pitch
100
What are the three smallest bones in the ear called
What is anvil hammer and stirrup
200
To move back and forth quickly
What is vibrate
200
This man was AGB assistant
Who is Thomas Watson
200
A slow vibration causes this kind of sound
What is low pitch
200
How does sound travel: in spirals in waves in a straight line
What is in waves
300
This describes how loud a sound is
What is volume
300
Name two other objects AGB invented
What is boat, metal detector, plane, corn husk and wheat sorter, telegraph, ac system
300
All objects need this to make sound
What is energy (vibrations)
300
What are two things you can do to protect your ears?
What is never stick anything in them, wear earplugs, listen to music and tv low, keep ears clean...
400
How high or low a sound is
What is pitch
400
True of False: AGB was deaf
What is false
400
True or False: Sound can travel through liquid and gas but NOT solids
What is false…sound travels through all three
400
Do you use more energy to make a soft sound or a loud sound?
What is loud sound
500
Another name for this is "voice box". It is what we use to speak.
What is larynx
500
What did AGB dad teach?
What is sign language to the deaf
500
TRUE OR FALSE: In space, we can hear loud sounds
What is false we can't hear sounds in space
500
Which travels faster…speed of light or speed of sound?
What is light
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