Waves
What is a wave?
a disturbance that transfers energy from one place to another
What are corrupt politicians?
city bosses
What is a longitudinal wave that is caused by vibration and travels through a medium?
A sound wave
Who was the youngest president?
Theodore Roosevelt
what are the three main parts of the ear?
the outer ear, the middle, and the inner ear
What is a medium
the material through which a wave travels
What did muckrakers do?
Muckrakers are reporters raked or exposed
What are the particles of a medium that vibrate in the same direction as the wave travels?
A longitudinal wave
What was the purpose of the Federal Reserve act?
This act created 12 regional banks supervised by a central board in Washington, DC
The bending hairs make the nerve cells send electrical signals to the brain through the auditory nerve. True or False?
True!
What is in a longitudinal wave
particles that move back and forth in the same direction that the wave travels, or parallel to the wave
What was the Sherman Antitrust Act?
This Act was to control trusts and monopolies
How do sound waves travel?
Sound waves travel in all directions away from their source
What was the job of the National Conservation Commission?
The National Conservation Commission was created by Theodore, and it produced the first survey of nation's natural resources.
What is refraction?
refraction is the part where particles are spread apart
What is in a transverse wave
In a transverse wave, some particles move perpendicularly to the direction the wave travels
Frances Willard
How do sound waves travel?
They travel by disturbing the particles in matter, or a medium
Who was elected president in 1908?
William Howard Taft
What is a mechanical wave?
a wave that requires a medium
Can a transverse and a longitudinal wave combine
Yes!
Who founded the National Women's Party?
Alice Paul
Can sound be made in a vacuum? Why or Why not?
no because there are no particles to vibrate
What was the Progressive Party?
Bull Moose Party
what are three examples of electromagnetic waves?
1. Visible light
2. Radio waves
3.Microwaves