Chapter 9 Electricity and Magentism

Which Objects are Insulators?

• Erasers, Graphite, and Gold

• Glass, Metal, Scissors, Silver

• Thick rubber soles, empty disposable water bottles, sidewalk chalk

• Pencil lead, plastic, pennies

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What is magnetism?

• a magnet that only works when electricity is provided

• a force that acts on moving electric charges and magnetic materials

• a piece of glass called a prism

• an electric current that flows quickly.

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What is it called when there is a break in a wire?

• open circuit

• closed circuit

• unfinished circuit

• broken circuit

What are the TWO main renewable energy sources?

• oil

• CO2

• water

• sun

What did scientist Hans Christian discover that helped later in life?

• compass

• magnet

• electromagent

• magnetic field

A magnet that has coils all around it is called a/an

• megamagnet

• big magnet

• huge magnet

• electromagnet

What are TWO examples of a conductor?

• gold

• plastic

• rubber

• copper

Tags

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An electric motion is called ____

• generator

• electric current

• conductor

• electromagnet

How can you make an electromagnet stronger?

• add more coils on the wire

• add more magnets

• better batteries

• you can't make it stronger

What part of the electrical circuit transforms energy to different energy forms?

• wire

• energy source

• switch

• resistor