Forces of Nature Pt. 2 Review

When _______________ travels through a

conductor, a magnetic field is created

• current

• a magnetic field

• neutrons

Tags

NGSS.MS-PS2-3

Electric currents produce _____________

• electron clouds

• magnetic fields

• sound waves

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

In magnets and electromagnets, similar poles attract

• true

• false

Tags

NGSS.MS-PS2-3

In magnets and electromagnets, dissimilar (opposite) poles attract

• true

• false

Tags

NGSS.3-PS2-3

The object inside a radio that makes a speaker work is called a(n) ______________________

• electromagnet

• permanent magnet

• electron cloud

Tags

NGSS.MS-PS2-3

This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

• Add more coils of wire to the nail.
• Use a smaller battery.
• Reverse the poles of the magnet.
• Remove all the coils and the nail.

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS2-3

What kind of magnet can be turned on and off?

• refridgerator magnet
• electromagnet
• magnetite
• iron

Tags

NGSS.MS-PS2-3

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

Arrows are close together on a force field when the force is

• stronger

• weaker

• opposite

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Earth has a magnetic field that is similar to a bar magnet's magnetic field.

• true

• false

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5