A measure of the rate of flow of electric charge through a circuit.

Device that controls how much current flows through a circuit.

Device that stores electrical energy.

Terminal made of metal such as copper or silver that accumulates positive charge.

Terminal made of metal such as zinc that accumulates negative charge.

A diagram that represents an electric circuit using symbols.

Thickness of a wire.

A liquid solution or paste, usually an acid, that reacts with the electrodes.

Formula that shows the relationship between voltage, current, & resistance.

A coil of wire hooked into a power source that spins.

Electric circuits transfer energy.

Electrical energy can only transform into light energy.

Alessandro Volta discovered the battery.

The batteries we made in lab in Lesson 1 were wet cell batteries.

The D cell batteries we use in lab are wet cell batteries.

A thinner wire has a larger gauge while a thicker wire has a smaller gauge.

The colored bands on a resistor are codes that identify the resistor’s strength.

The total amount of energy in a system must always be constant.

An electric current has no effect on a compass needle.

If one wire in an electric circuit is disconnected, current will still flow.

Motors use electromagnetism to convert electricity into _________________________.

The strength of an electromagnetic depends on ___________________________.

A device that measures electric current is a(n) ____________________.

A device that measures voltage is a(n) ____________________.

The units for electric current are __________________.

The units for voltage are __________________.

Batteries connect end to end.

Batteries connect side by side.

Batteries combine to produce more volts and more current.

In lesson 2.3, we tested the speed of a fan. What happened to the speed of the fan when we added a resistor?

What is the current in a 10V circuit if the resistance is 2Ω?

You are building a circuit with the following materials: Resistor A, Resistor B, batteries, a fan, alligator wires, an ammeter, and a voltmeter. If you build the first circuit with Resistor A and then replace Resistor A with Resister B, what was the independent variable in the investigation?

A circuit has 20 amps of current and toaster has 7 ohms of resistance. What is the voltage?

The function of wires in an electric circuit is to ____________________

As a capacitor charges, the voltage slowly decreases.

Electrolyte that is a slightly moist paste found batteries.

AM Radio has

An object that revolves around another object in space.

What can travel through empty space or through matter?

All electromagnetic waves travel through space at the same speed.

Decode the following:

Most of Earth’s radiant energy comes from the

The only type of electromagnetic waves you can see are

The entire range of electromagnetic waves is called the

When electromagnetic waves encounter matter, they

The electromagnetic spectrum is organized according to