Introduction to Electricity
Introduction to Electricity II
Introduction to Electricity III
Introduction to Electricity IV
Introduction to Electricity V
100
The law of electric charges say that...
opposite charges attract and charges that are the same repel
100
This instrument detects if an object is charged.
What is an electroscope.
100
What is electricity?
Fast moving electrons.
100
Objects can be charged these three ways.
What is friction, conduction, induction.
100
The more voltage, the greater the ___________.
What is current.
200
The smallest part of any matter.
What is an atom.
200
The force AROUND two charged objects.
What is an electric field.
200
Charges move very easily through these. Example: metals, water.
What are conductors.
200
The ___________ ____________ is how fast the charges are flowing.
What is electric current.
200
____________ change chemical energy into electrical energy.
What is a cell.
300
Parts of the atom: the nucleus has the __________ and _____________. Outside of the atom are the __________.
Protons and neutrons electrons
300
When electricity is released.
What is electric discharge.
300
Charges cannot move easily through these. Examples: rubber, plastic, wood, glass clothing.
What is are insulators.
300
What are two examples of electric current.
Direct current and alternate current
300
In the cell we built in class the potato was the _______________, the zince and copper were the _______________.
electrolyte electrodes
400
Electrons have a _____________ charge. Protons have a ____________ charge. Neutrons have a __________ charge.
electrons - negative protons - positive neutrons - neutral
400
Name three ways electricity can be released.
1) static electricity 2) electric shock 3) lightning
400
Most electric energy flows through ____________.
wires
400
______________ is the work against the flow of electric current.
What is resistance.
400
In the skittles commerical the tube sock was rubbing his feet on the carpet. He charged himself through ________________. Then the tube sock touched the man's tongue. He charged his tongue by ___________. The electric shock was also an example of ___________.
friction conduction electric discharge
500
The force BETWEEN two charge objects.
What is electric force.
500
What is static electricity caused by?
Friction
500
Most electric energy flows through __________.
wires
500
______________ is how much work is needed to move a charge.
What is voltage.
500
In the electroscope lab the foil was able to move because the charged balloon was NEARBY. The foil was charged by ___________.
What is induction.
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