Electricity and Magnetism

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Questions and Answers

What happens when two north poles of magnets are brought together?

  • Create new magnets
  • Repel (correct)
  • Attract
  • Create friction

Which of the following materials is magnetic?

  • Wood and silver
  • Plastic and iron
  • Paper and cloth
  • Steel and iron (correct)

What are substances that allow electric current to pass called?

  • Conductors (correct)
  • Insulators
  • Magnets
  • Inductors

Which of the following is the best conductor of electricity?

<p>Metal (C)</p> Signup and view all the answers

Which pair of magnets will move toward each other if placed adjacently?

<p>S-N S-N (A)</p> Signup and view all the answers

Which of the following is NOT an example of static electricity?

<p>Two magnets sticking together (B)</p> Signup and view all the answers

What is static electricity?

<p>Electricity produced by friction (C)</p> Signup and view all the answers

A material that slows the flow of heat and electricity is called a(n):

<p>Insulator (B)</p> Signup and view all the answers

Electricity is the flow of:

<p>Electrons (B)</p> Signup and view all the answers

Electricity travelling all the way around a circuit is known as a(n):

<p>Closed circuit (B)</p> Signup and view all the answers

Which of the following is a reason why magnetism is important?

<p>Allows compasses to work, so you don't get lost (C)</p> Signup and view all the answers

How much a material opposes the flow of electric current is called:

<p>Resistance (C)</p> Signup and view all the answers

A magnet made when charges move through a wire coil wrapped around an iron core is called a(n):

<p>Electromagnet (B)</p> Signup and view all the answers

Which of the following is true about electromagnets?

<p>Increasing the number of coils makes it stronger (B)</p> Signup and view all the answers

Magnetism produced by an electric current is called:

<p>Electromagnetism (A)</p> Signup and view all the answers

The area around electric charges where electric forces can act is called:

<p>Electric field (D)</p> Signup and view all the answers

An electrical circuit that is not complete is called:

<p>Open circuit (C)</p> Signup and view all the answers

A controlled path for electricity to flow is called a:

<p>Circuit (C)</p> Signup and view all the answers

An object that is strongly magnetic or has magnetic characteristics is called:

<p>Ferromagnetic (B)</p> Signup and view all the answers

A circuit that has only one path for current to flow is called a(n):

<p>Series circuit (A)</p> Signup and view all the answers

Flashcards

Static Electricity

The force that repels or attracts objects with an electric charge.

Insulator

A material that slows down the flow of heat and electricity.

Electricity

The flow of negatively charged particles.

Closed Circuit

A complete path for electricity to flow through.

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Magnetic field

The space around a magnet where its force is felt.

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Resistance

How much a material resists the flow of electric current.

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Series Circuit

A circuit with only one path for the current.

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Electromagnet

A magnet created by electricity flowing through a wire coil.

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Electric field

The area around electric charges where electric forces act.

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Electric Circuit

A controlled path for electricity to flow.

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Ferromagnetic

An object that exhibits strong magnetic properties

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Parallel Circuit

A circuit with multiple paths for the current.

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Amps

Measures electric current.

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Conductors

Materials that allow electricity to pass through them easily.

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Study Notes

  • Task Cards focus on the topics of electricity and magnetism.

Magnetism

  • Two north poles of two magnets repel each other when brought together.
  • Steel and iron are magnetic materials.
  • Magnets will move toward each if opposite poles are placed together.
  • Magnetism is important for compasses to work to prevent people from getting lost
  • An object that is strongly magnetic or has magnetic characteristics is ferromagnetic.
  • Magnetic field is the space in which the force of a magnet can act.

Electromagnetism

  • Electromagnet is made when charges move through a wire coil wrapped around an iron core.
  • Electromagnets are stronger when increasing the number of coils.
  • Electromagnetism is magnetism produced by an electric current.
  • Electric field is the area around electric charges where electric forces can act.
  • Ferromagnetic is an object that is strongly magnetic or has magnetic characteristics.

Electricity

  • Static electricity is electricity produced by friction.
  • Insulators slow the flow of heat and electricity.
  • Electrons are what flows as electricity
  • Current is measured in Amps.

Electrical Circuits

  • Conductors allow current to pass.
  • Metal is the best conductor of electricity.
  • A closed circuit allows electricity to travel all the way around.
  • Resistance quantifies how much a material opposes electric current flow.
  • A circuit is a controlled path for electricity to flow.
  • A series circuit has one path for current to flow.
  • Electric cords use both insulators and conductors.
  • A parallel circuit has more than one path for current to flow.
  • An open circuit is an electrical circuit that is not complete.

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