8th-T2 L3: Lesson Quiz

What is electromagnetism?

• Earth's magnetic field

• the relationship between electricity and magnetism

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

To turn the ​ (a)   off or on, you have to turn the​ (b)   off.

• magnetic field
• current/electricity
• gravity
• temperature

When the current is ​ (a)   , the magnetic field also gets weaker.

• decreased
• increased

Tags

NGSS.MS-PS2-3

To make the magnetic field stronger in a solenoid you can ​ (a)   number of coils.

• increase
• decrease
• keep the same

• When current flows through a ​ (a)   of wire, the magnetic field produced is much ​ (b)   than in a ​ (c)   wire.

• loop
• stronger
• straight
• wire
• magnetism

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A _________ is a coil of a wire with current running through it, it is stacked loops of wire

• solenoid

• electromagnet

• straight wire

Tags

NGSS.MS-PS2-3

A solenoid with a ferromagnetic core is called an _____________.

• solenoid

• eletromagnet

• coil

What do you need to make a solenoid?

• square wire

• power source

• coil of wire

• ferromagnetic core

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What do you need to make an electromagnet?

• Wire, battery, and a piece of iron or steel
• Glass, battery, and a piece of copper
• Plastic, wire, and a piece of aluminum

In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.

• wire, iron, electric
• electric, wire, iron
• iron, electric, wire
• excited, hair, apple

Tags

NGSS.MS-PS2-3