Magnets and Electricity

Produces an electric current when a coil of wire wrapped around an iron core is rotated near a magnet.

• generator
• electric motor
• electromagnet

What is this device?

• electromagnet
• generator
• electric motor

The battery in this machine is our ____________ of electrical energy.

• conductor
• source
• resistor (device)

What is a material through which electrons cannot move easily?

• Conductor
• Insulator
• Magnet
• Circuit

What is a material through which electrons can move easily?

• Conductor
• Insulator
• Magnetic Pole
• Electric Resistance

What is a closed path in which an electric current travels?

• Electric Circuit
• Electric Resistance
• Magnet
• Voltage

What happens when the south poles of two magnetic fields overlap?

• Attract
• Repel
• Conduct
• Insulate

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What happens when the north and south poles of two magnetic fields overlap?

• Attraction
• Repulsion
• Resistance
• Current

Tags

NGSS.MS-PS2-3

What type of charge do electrons have?

• negative
• positive 
• neutral
• nothing

Tags

NGSS.MS-PS2-5

What type of electricity occurs when you rub a balloon on your sweater?

• thermal electricity
• current electricity
• static electricity
• work electricity