Voltage
Current
Magnetic Fields
Atoms
M-E-F
100

What is voltage?

What is the difference in electric potential.

100

What is current?

What is the flow of net charge.

100

An electric current flows through a copper wire. As a result, a ___________ is produced around this conductor.

What is a magnetic field.

100

What are the 3 subatomic particles?

What are protons, electrons, and neutrons.

100
What is the definition of matter?

What is anything that has mass and takes up space.

200

The bottom of a thunderstorm cloud becomes negatively charged. The ground's surface below becomes positively charged. _______, or an electric potential difference, builds between the cloud and the ground as the charge accumulates.

What is voltage.

200

Metal transmission lines are electrical _______ because they contain ______ that are free to move.

What are conductors and electrons.
200

A _____ is an area of space near an object or particle where forces are experienced by other objects or particles.

What is a field.

200

What is the charge of a proton?

What is positive.
200

What is the definition of energy?

What is the ability to do work.

300

In a fan's circuit, the battery acts as a _____ source. When the circuit is closed by the switch, an electric field is established in the wire.

What is voltage.

300

The ceramic device connecting a line to a tower is an electrical _______. It prevents electrical _____ from flowing freely between the line and tower.

What is an insulator and current.

300

An electric current flows through a conductor. As a result, a magnetic field is produced around the conductor.

If the amount of current increases, but the direction of current does not change, then the magnetic field around the conductor ______.


What is becomes stronger.

300

What is the charge of an electron?

What is negative.

300

What is the definition of force?

What is a push or pull.

400

A bird is in contact with a high voltage line. The voltage between the ground and the wire is 4,800 V. The voltage between the bird and the ground is ____ V.

What is 4,800 Volts.

400

In a fan's circuit, the battery acts as a voltage source. When the circuit is closed by the switch, an electric field is established in the wire. As a result of the field, electrons in the wire experience a force that causes them to drift through the wire, producing a _______.Electrons move toward the _____ terminal of the battery.

What is current and positive.

400

A current-carrying conductor produces a magnetic field. This happens because, when current is flowing, many charged particles are moving in the (same/opposite) direction.

What is the same.

400

What is the charge of a neutron?

What is no charge.

400

Fields generated by _______ result in forces.

What is matter.

500

A bird is perched on an electrical line. The voltage between the ground and the wire is 4,800 V. The voltage across the bird's body is ____ V.

What is 0 Volts.

500

A bird is perched on an electrical line. The voltage between the ground and the wire is 4,800 V. The current through the bird's body is ____ A. Therefore, the bird can perch safely.

What is 0 A.

500

According to the right hand rule, what is the direction of the magnetic field given the direction of the current?

Draw on board.

500

Where are electrons located in an atom?

What is outside/surrounding the nucleus.

500

Unbalanced ________ transfer energy.

What are forces.

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