Science Study Guide

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

• wire
• connection
• circuit
• loop

Which two things use electromagnets?

• refrigerators

• microwave ovens

• televisions

• maglev trains

What occurs when electrical charges build up on the surface of an object?

• static electricity
• thermal energy
• magnetic field
• electric shock

__________ is a form of energy that involves the flow of electrical charges.

• Heat
• Electricity
• Gravity
• Magnetism

A _________ is an object that attracts certain metals.

• wood
• rock
• feather
• magnet

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

• capacitor
• resistor
• current
• voltage

An _________ does not allow electricity to flow through it.

• conductor
• circuit
• amplifier
• insulator

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

• resistor
• insulator
• semiconductor
• conductor

Particles of matter can have a _________ or a _________ charge.

• positive

• left

• negative

• zero

The area around a magnet where the force of the magnet can act is called the _________ ______.

• magnetic zone
• magnetic field
• magnet area
• force field