Show:
Magnetism
Static Electricity
Circuit
Waves
Conversion
100
What would happen if the north ends of two magnets were close together?
repel
100
Socks taken from a clothes dryer that stick together is an example of ____________.
static electricity
100
Is a circuit open or closed if you haven't turned on the switch?
open
100
What are the two types of waves?
What is Transverse and Longitudinal
100
How many meters are in 1kilometer?
1000meters
200
If a south end of a magnet is close to a north end of a magnet, the magnets will _________.
attract
200
True or False: Like charges attract and unlike charges repel.
False. Like charges repel and unlike charges attract.
200
What supplies current to an electrical circuit?
a battery (or other electrical source)
200
How is a longitudinal wave different from a transverse
Transverse the particles moves at right angle to the wave and longitudinal the particles move parallel to and fro to the wave.
200
How many meters are in 0.93 hm?
93meters
300
True or False: All magnets have the same shape and size.
False
300
If you rub your hair on a balloon and the balloon becomes negatively charged, what charge will your hair have?
a positive charge
300
What part of a circuit does electrical energy change from one form to another?
a load (example: lightbulb) This is where the energy changes to produce heat or light.
300
What is the frequency of a wave?
number of oscillation in 1 second
300
How many dam is there in 232 meters?
23.2dam
400
True or False: All magnets have a north and south pole.
True
400
True or False: Positive charges move from one object to another.
False. Only electrons (negative charge) move from one object to another.
400
True or False: When you turn on a light, the switch is opening the circuit.
False. A switch closes the circuit to turn on the light.
400
What is the period of a wave if the frequency is 12
0.08s
400
How many meters are in 10-4 millmeters
10-7 meters
500
Will a magnet attract copper, rubber, iron, or plastic?
iron
500
True or False: A lightning bolt occurs when static electricity is created in the sky.
True
500
An electrical circuit is made up of a connector (wire), a load (lightbulb), a switch, and a ____________.
a battery (or electrical source)
500
What is the frequency if it took 23 second for 4 oscillation?
0.17Hz
500
23 millimetre into Kilometres?
0.000023Km