Electric Charges
Electric Currents
Energy
Random
100
Name the two types of electrical charges.
Positive and negative charges.
100
In this kind of circuit, all electrical charges flow in the same direction and along the same path.
Series circuit
100
Name 3 types of energy that electrical devices can change electric current into.
Light, motion and heat
100
What is the flow of electrical charges called?
An electrical current
200
Electric charges can build up on objects rubbed together due to fr________.
Friction
200
We use this to measure electric current. Hint: A__________
An ammeter.
200
What part of the incandescent light bulb heats up to provide light? The F________
The filament.
200
What is the name of the device which measures how much energy can be given to the moving electrons in a circuit?
A voltmeter
300
Name three examples of conductors of electricity.
Copper, metal, or silver.
300
What kind of circuit is it if the electric current does not flow through the circuit? O_______ circuit
An open circuit.
300
List three methods of generating electricity. Ex. Solar panel
Examples: hydroelectricity, burning fossil fuels, geothermal, nuclear, wind.
300
This is a measure of how much energy can be given to the moving electrons in a circuit. Hint: ________e
Voltage
400
Name three types of insulators (these don't conduct electricity easily).
Rubber, plastic and glass.
400
When constructing circuits in our lab, do we use AC or DC current?
DC, or direct current
400
Name two electrical devices that change electricity into motion.
Anything with a motor: a fan, a vacuum cleaner, for example.
400
If a balloon has more positive charges than negative charges, it is considered to have what kind of charge?
A positive charge.
500
The build-up of electric charges on an object is called: s_________ e___________
Static Electricity
500
In a series circuit, if one bulb burns out - will the current flow in the circuit? Yes or No?
No. If any part of a series circuit is broken or removed, the circuit is open and will not flow.
500
Circuits which branch and where you have to use more than one finger are connected in ___________.
Parallel
500
Insulators offer a great deal of r______________.
Insulators offer a great deal of RESISTANCE.
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