PS.9 Electricity and Magnetism

Substances that do not allow electricity to move freely are known as

• Conductors

• Insulators

• Resistors

• Semimetals

Tags

NGSS.MS-PS2-3

Substances that can alternate in allowing electricity to flow or not flow freely are known as

• Conductors

• Insulators

• Resistors

• Semimetals

Substances that allow electricity to move freely are known as

• Conductors

• Insulators

• Resistors

• Semimetals

The image to the left is an example of a/an

• generator

• motor

• semiconductor

• electromagnet

Click all the ways to make an electromagnet stronger

• add more coils

• use more batteries

• amount/type of material used in the solenoid

• size of object being attracted

A _________ converts electrical energy into mechanical energy and _________converts mechanical energy into electrical energy.

• generator/motor

• motor/generator

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

NGSS.HS-PS3-5

What 2 charges would you need for a balloon to stick to a wall?

• wall: positive

  balloon: negative

• wall: negative

  balloon: negative

• wall: positive

  balloon: positive

• wall: equal parts positive and negative

  balloon: equal parts positive and negative

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

In a series circuit, why does the light get more dim with each bulb you add to the circuit?

• the voltage in the battery decreases

• the power produced by the battery increases

• the voltage across each bulb increases

• the current through each bulb decreases

Which of the following best describes a resistor?

• it opens the circuit

• it creates the electric field

• it controls the amount of current

• it provides energy to the circuit

How can you increase the magnetism of a magnetic door clasp that won't stay shut?

• replace the steel plate with copper

• add a second steel plate

• add a second magnet to make sure the magnet is touch the steel plate

• reverse the direction of the magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5