Magnetic and Electric Forces

The tool that used magnetic forces to show  which direction is north is _______.

• Pole
• Compass
• Attract
• Repel

Which three items are needed to make a closed circuit?

• Light bulb, plastic, and rubber
• Light bulb, wire, and plastic
• Light bulb, battery, and wire
• Light bulb, battery, and ceramic

The battery is the ________ of energy.

• Wire 
• Source 
• Insulator
• Negative

Is this an open circuit or a closed circuit?

• Open 
• Closed

The part of the magnet with the strongest attraction and is labeled N and S is called magnetic __________.

• poles 
• attractor
• repel
• compass

A __________ is a particle with negative charge.

• Neutron
• Electron
• Proton

A negative charge and a positive charge will ________.

• Attract
• Repel

Is this an open circuit or a closed circuit?

• Open 
• Close

Which material can be used as a conductor of electricity?

• Foil
• Rubber
• Plastic
• Ceramic 

A positive charge and a positive charge will _______.

• Attract 
• Repel