Static Electricity
___________ charges attract.
What is opposite?
In the circuits we built, a ________provided the voltage.
What is battery?
The area on a magnet where the magnetic force is strongest
What are the poles?
A _____________changes chemical energy into electrical energy.
What is battery?
The unit that measures voltage is the _________
What is volt?
____________ charges repel.
What is like?
A complete path of conductors that allows current to flow is a closed ________.
What is circuit?
Like poles __________.
What is repel?
A ____________ changes electrical energy into kinetic energy.
What is electric motor?
The thin wire in a light bulb that glows white hot
What is filament?
Name the two electric charges.
What are positive and negative?
A circuit with just one path is a _______ circuit.
What is series?
Three common metals that are magnetic are iron, cobalt and ____________
What is nickel?
A generator changes kinetic energy into _____________ energy.
What is electrical?
Three parts of an electromagnet are an iron core, a voltage source and a _____________
What is coil?
The part of the atom that provides the negative charge
What is the electron?
The flow of charge is electric _____________.
What is current?
A nail can become a ___________ magnet by putting it in a strong magnetic field.
What is temporary?
Energy cannot be ____________ or ___________, it can only change form.
What is created or destroyed?
The area around a magnet where the magnetic force acts
What is magnetic field?
Materials that allow charge to flow through
What are conductors?
Electric current is measured in ______________.
What is amperes?
A magnetic field can be weakened by knocking the _____________ out of alignment.
What are domains?
In a circuit with a battery, bulb and wire, electrical energy is changed into ___________ energy.
What is light? (and heat)
The strength of an electromagnet can be increased by __________ the number of turns of wire.
What is increasing?