Semester Final

Front

What are the three particles that make up an atom?

Back

Electrons, protons, and neutrons

Front

What is the charge of neutrons?

Back

Neutral

Front

Which type of material allows electrons to flow freely? Options: Insulators, Conductors, Semiconductors, Non-metals

Back

Conductors

Front

What happens in a closed circuit?

Back

Electrons flow continuously.

Front

What is voltage compared to? Options: The weight of an object, The height of a building, The pressure in a water pipe, The speed of a car

Back

The pressure in a water pipe

Front

What unit is used to measure the flow of electrons?

Back

Ampere

Front

What does resistance in a circuit refer to?

Back

The restriction to the flow of electrons

Front

What type of current flows only in one direction?

Back

Direct current (DC)

Front

The difference in electrical potential between two points....measured in Volts.

Back

Voltage

Front

Classify the following as electrical conductors or insulators: rubber, aluminum foil, glass.

Back

Aluminum foil is a conductor. Rubber and glass are insulators.