Joel's earlier model of electricity used water as an analogy for charge. His current model uses air as an analogy. Why does he think air is a better analogy?
2.
Why are models important for teaching and learning about subjects such as electricity? (Ope response)
3.
___________ is what we call charge flowing through wires.
4.
__________ is the way we control electricity in various devices.
5.
__________ flows through the circuit.
6.
A ____________ is a closed, continuous conducting loop.
7.
The _________ provides the energy carried by the moving charge.
8.
The ___________ uses the energy supplied by moving charge.
9.
________ is the electrical pressure difference in a circuit measured in volts.
10.
The flow rate of charge moving through a circuit that is measured in amps is called _________.
11.
The property of the components of a circuit that slows the current flow and is measured in ohms is called ________.
12.
__________ is the amount of energy transferred in a given amount of time and measured in watts.