Magnets
circuits
currents
electricity
waves
100
A material that attracts iron, nickel and cobalt and objects made of them
What is a magnet
100
A closed path where electric charges can flow
What is an electric circuit
100
The rate of flow of electric charges
What is electric current
100
This has a positive charge in an atom
What is a proton
100
A disturbance that transfers energy from one place to another
What is a wave
200
The area surrounding a magnet
What is a magnetic field
200
one example of an electric safety device
What is a fuse or a circuit breaker
200
Unit for electric current
What are amperes
200
This has a negative charge in an atom
What is an electron
200
A material in which a wave travels through
What is a medium
300
The 2 forces in nature that can act at a distance
What is gravity and electrostatic force
300
many buildings have this to protect it from lightning
What is a lightning rod
300
A current where charges flow in the same direction
What is direct current
300
Objects with like charges do this
What is repel
300
The top on bottom of a wave
What is a crest and a trough
400
The glow of lights near northern and southern latitudes
What are auroras
400
A circuit where charges can go more than one path
What is a parallel circuit
400
The unit used to express voltage
What are Ohms
400
the 3 ways objects can become charged
What are friction, contact and induction
400
Another name for S waves
What are transverse waves
500
An object temporarily placed in a magnetic field
What is a temporary magnet
500
A circuit where charges can flow only one path
What is a series circuit
500
name 2 factors that affect resistance
What is composition, length, thickness, temperature
500
A material where objects can move freely
What is a conductor
500
A ripple in a pond is what type of wave
What is a P wave or a surface wave
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