Show:
Waves
Digital and Analog
Magnetism
Wave Relationships
Random Facts
100
What part of the wave is the top?
Crest
100
What is the name of the signal that can be encrypted on a cell phone?
Digital Signal.
100
What is one example of a non-contact force?
Gravity, magnetism, electric charges.
100
What do waves transfer?
Energy
100
Who buys more presents on Valentine's day, male or female?
Female 85%
200
What is the line called that passes through the middle of a wave?
Rest Position
200
What is the type of signal that is described by amplitude
Analog
200
What is the type of charge on proton? Electron?
Proton= positive, electron= negative
200
What happens to the energy of a wave when you increase amplitude?
Increases.
200
What is the name for the fear of having fun? (Cherophobia, Coulrophobia, Hylophobia, or Ombrophobia)
Cherophobia
300
What is the type of wave that doesn't require a medium?
Electromagnetic wave or Light wave
300
What is the type of signal that uses binary?
Digital
300
What is the law of attraction?
Opposites attract and like things repel.
300
What happens to the energy of a wave when the amplitude decreases?
Decreases
300
How far does a slinky stretch laid completely flat? ( 45 feet, 53 feet, 74 feet, or 87 feet)
87 feet.
400
What type of wave is a pressure wave?
Mechanical wave
400
What type of signal is continuous?
Analog
400
Where in the Earth do we believe is the location of the magnetic field?
Outer core
400
What is the name of the relationship when you have opposites.
Inverse
400
How many cards are exchanged on Valentine's day? (50 million, 150 million, 300 million, 750 million, or 1 billion)
150 million.
500
What is the unit of measurement for frequency
Hertz or Hz
500
Draw on your board an analog wave and a digital wave.
See white board.
500
What is another name of the north and south end of a magnet?
Bipole
500
What is the frequency drawn on the whiteboard?
See Whiteboard.
500
What national anthem has no words? (Canada, US, Venezuela, Spain)
Spain.