Electricity/ Magnetism

What type of material does NOT allow electrons to flow easily?

• insulator

• conductor

• series

• circuit

The build up of charges on an object is called...

• electromagnetism

• magnetic fields

• static electricity

• stationary charges

What kind of circuit is this?

• series

• parallel

Both light bulbs are lit in the circuit. In order to turn off both lights, a switch must be placed at what mark..

• 1

• 2

• 3

• 4

Objects with like charges repel and unlike charges attract. The girl's hair and the comb have

• neutral charges

• like charges

• unlike charges

Tags

NGSS.MS-PS2-3

In order to turn on the light, a piece of wire needs to be connected from...

• a to c

• b to c

• c to d

• a to d

Tags

NGSS.MS-ETS1-1

As resistance goes up, what happens to the current?

• current stays the same

• current goes down

• current disappears

• current goes up

An example of a semiconductor is...

• plastic

• salt water

• dry air

• silicon

A mixture of iron filings and sulfur can easily be separated by

• placing the mixture in water

• performing a chemical reaction

• using a magnet

• heating the mixture

What type of circuits should a new house you are building use?

• series

• parallel