Electricity 1
Everything in the world is made up of what?
Atoms
Inside each atom (but not in the nucleus) is a smaller part called what?
Electrons
Electricity is the movement of what particle?
Electrons
What are the names of the three methods of charging?
Friction, Conduction, and Induction
What is the flow of water representing in the river analogy?
The electric current
True or False: (If false, correct the sentence)
Electrical outlets use direct current
False: Electrical outlets use alternating current.
What are sparks and lightnings examples of?
Electrical discharges
Charge of an atom that lost electrons and now it has more protons
Positive charge
What is a conductor?
A material that allows charges to flow though it
What is one example of a conductor?
Several examples can be given.
What is one example of an insulator?
Several examples can be given.
In the river analogy, the rocks and different materials in the river makes the flow go slower. What are the rocks and materials in the river representing?
The resistance
Name of the electric current that only moves in only one way
Direct current
In the river analogy, if there is no a difference between the river and how tall the water falls then the water cannot flow. What is that difference representing?
The voltage
What is an insulator?
A material that current cannot pass through easily.
What type of charging method happens inside clouds and between what materials?
Friction between water, ice and air inside clouds.
Charging by induction causes the rearrangement of ______________ on a neutral object caused by a nearby charged object.
Charging by induction causes the rearrangement of ELECTRONS on a neutral object caused by a nearby charged object.
Charging method that requires contact of objects but no motion
Conduction