Science Test #5

An unbroken path through which negative charges can flow is called a __________________.

• circuit

• series

• conductor

When electrical charges build up on the surface of an object, _______________ occurs.

• series circuit

• static electricity

• current electricity

An object that attracts certain metals is called ________________.

• a circuit

• a magnet

• an insulator

A material that does not allow electricity to flow through it easily is called _______________.

• an insulator

• a circuit

• a conductor

A material that allows electricity to flow through it easily is called ________________.

• a circuit

• an insulator

• a conductor

A magnetic field is caused when ________________ flows through a circuit.

• air

• a current

• protons

A form of energy that involves the flow of electrical charges is called _____________.

• a circuit

• magnetism

• electricity

Two things that use electromagnets are microwave ovens and ____________________.

• maglev trains

• paper money

• coins

Is this object positive, negative, or neutral?

• positive

• negative

• neutral

Is this object positive, negative, or neutral?

• positive

• negative

• neutral