Electricity

The tendency for a material to oppose the flow of electrons is _____.

• current

• resistance

• conductor

• voltage

Items with opposite charges _____ each other.

• attract

• repel

• move

• none of the above

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Items with like charges _____ each other.

• attract

• repel

• move

• none of the above

Tags

NGSS.MS-PS2-3

Clothes clinging together and lightning are examples of _____.

• current electricity

• circuit electricity

• alternating electricity

• static electricity

Tags

NGSS.MS-PS2-5

An instrument used to measure potential difference is a(n) _____.

• Voltmeter

• Generator

• Ammeter

• Transformer

Resistance is measured in a unit called _____.

• ampere

• ohm

• volt

• coulomb

Potential difference is measured in a unit called _____.

• ampere

• ohm

• volt

• coulomb

Electric current is measured in a unit called _____.

• ampere

• ohm

• volt

• coulomb

An instrument used to measure electric current is a(n) _____.

• Voltmeter

• Generator

• Ammeter

• Transformer

Is the symbol for _____.

• Light bulb

• Resistor

• Battery

• Switch