Magnetic Force

............................................,their magnetism cannot be turned on or off.

• Electronmagnets

• Permanent magnets

.....................................are magnets that can be turned on and off by electric current.

• Electromagnets

• Permanent magnets

Tags

NGSS.MS-PS2-3

.....................................is the point where the magnetic force is strongest.

• The middle of a magnet

• Magnetic pole

When the electric current is on ,the electromagnet will attract magnetic objects. ( )

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

.................................is the space where the force of a magnet acts.

• Magnetic pole

• Magnetic field

Tags

NGSS.MS-PS2-3

We can see the magnetic field. ( )

• True

• False

The shape of the magnetic field depends on the shape of the magnet. ( )

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The magnetic field is stronger as the object moves farther (away). ( )

• True

• False

The strength of the magnetic field is affected by....................................

• time

• temperature

• distance

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5