Understanding Electron Flow and Material Conductivity

What allows electrons to be freed from their atomic nucleus?

• Heat and light

• Pressure

• Cold

• Vacuum

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What shell's electrons determine an atom's chemical properties?

• Core shell

• Valence shell

• Inner shell

• Outer shell

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Why do good conductors require less force to free electrons?

• High voltage

• Low resistance

• Low conductivity

• High resistance

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Which material is known for its high conductivity?

• Wood

• Rubber

• Copper

• Plastic

What is the primary function of insulators?

• Generate heat

• Prevent electron flow

• Decrease resistance

• Increase current flow

What is required to release an electron from an insulator?

• Magnetism

• Low temperature

• High voltage

• Low force

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What process is used to make semiconductors conductive?

• Freezing

• Doping

• Melting

• Condensing

Which materials are used as the basis for transistors and diodes?

• Gold and silver

• Silicon and germanium

• Iron and zinc

• Copper and aluminum

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Is iron a conductor or insulator?

• Conductor

• Insulator

___________________ are materials that ALLOW heat and electricity to move easily through them.

• Conductors

• Insulators

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