Electricity
Circuits
Waves
Magnetism
Sound
100
Iron, copper and gold are
Conductors
100
An open circuit means...
The circuit is not complete and will not work.
100
What is the distance from wave to wave called ?
Wavelength
100
What will happen when two magnets are placed next to each other with the like poles facing each other.
They will repeal each other.
100
Sound travels in a..
Longitudinal wave.
200
The higher the resistance the lower the...
Voltage
200
A fuse opens a circuit when...
the circuit gets too hot.
200
What kind of waves move in the same direction as the energy it transfers?
Longitudinal wave
200
All magnets have...
a magnetic field.
200
Sound travels fastest in...
Solids.
300
A direct current goes in...
only one direction.
300
An example of a digital signal is ...
A binary code.
300
What kind of waves not require a medium to travel through?
Electromagnetic waves (EM waves).
300
The earth has a north pole and a south pole because...
Earth is a giant magnet
300
When the amplitude of a sound wave increases, the volume of the sound...
also increases.
400
If a balloon is rubbed on wool, what will happen?
Electrons from the wool will flow to the ballon.
400
How there are 8 bits in a...
byte.
400
Visible light is a kind of.....
Electromagnetic wave.
400
To make something magnetic all the domains must be...
Lined up in a line.
400
What happens when the frequency of a sound wave increases?
The pitch of the sound also increases.
500
Would a wire that is thinner and longer have more resistance or would a wire that is thicker and shorter.
The wire that is thinner and longer would have more resistance.
500
The difference between an electronic device and an electrical device is...
An electronic device is able to control the flow of electrons with integrated circuits.
500
A seismic wave is a combination of...
Longitudinal (P waves) and transverse (S waves).
500
Auroras are caused by...
the interaction between the sun's charged particles and the atmosphere.
500
Pitch is measured in...
Hertz.
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