1.
______ ____ is the buildup of electrical charge on a material
2.
___________ is a measure of energy in a wave; the more energy a wave carries greater amplitude
3.
____________ is number of wavelengths that pass a fixed point each second, measured in hertz ( Hz)
4.
________ is the distance between one point on wave and similar point nearest to it (crest to crest, trough to trough, compression to compression or rarefaction to rarefaction)
5.
_________ ______ are waves that can only travel through a medium
6.
______ is matter through which a wave travels; can be solid, liquid, gas or a combination of these.
7.
A ________ _______ is a circuit in which the current must flow through one bulb in order to flow through the other bulb
8.
_____ ______ says that current is directly proportional to voltage and inversely proportional to resistance. Eqn: V = IR
9.
_____ is also called ampere; the unit of current; symbol = A
10.
_________ pushes and pulls electrons through a circuit.
11.
_____ is the opposition that a conducting material or device offers to resist the flow of current
12.
_________ _______ is a circuit in which each bulb is connected to the chemical battery cell separately
