That's Shocking
Opposite charges ________________ each other.
What is "attract"?
A flow of tiny particles that carries electrical energy in wires and machines.
What is "current"?
The unit of electrical power.
What is the "watt"?
The property of creating or responding to forces from magnets.
What is "magnetic"?
The influence created by a magnet that exerts forces on other magnets.
What is a "magnetic field"?
The two kinds of magnetic poles are _______________ and _______________.
What are "north" and "south"?
Measured by amperes (amps).
What is "current"?
Determines how much current flows for a given voltage.
What is "resistance"?
What is a "permanent magnet"?
Changes the high voltage from a main power line to lower voltage for your house.
What is a "transformer"?
A small imbalance in a positive or negative charge creates _______________________.
What is "static electricity"?
The direction that current flows.
What is "high to low voltage"?
A material with high electrical resistance.
What is an "insulator"?
Magnetism is created by _________________ current.
What is "electric"?
The type of current in a cellphone battery.
What is "DC"?
Daily Double
Four 1.5v batteries are connected end-to-end. What is the voltage difference across 3 batteries?
What is 4.5v ?
A complete path through which electric current can flow.
What is an "electric circuit"?
The resistance of a hair dryer drawing a current of 10 A in a 120-volt outlet.
What is "12 ohms"?
A magnet made with wires and electric current.
What is an "electromagnet"?
The process of moving a magnet over a coil of wire to create an electric current.
What is "electromagnetic induction"?
The unit of electrical potential energy.
You turn a switch and the light turns on. This is the result of a(n) __________________ circuit.
What is "closed"?
The electrical power carried by 4 amps of current from four 1.5-volt batteries.
What is "24 watts"?
A material, like iron, which has strong magnetic properties.
What is a "ferromagnetic metal"?
The number of times per second voltage changes direction in AC current.
What is "60"?