Magnetism

A magnetic field is a field of force that is produced by moving ________ charges.

• northern

• positive

• gravitational

• electric

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

The magnetic ____________ around a bar magnet is shown above.

• legs

• flowers

• field

• direction

Tags

NGSS.MS-PS2-3

The Earth produces its own ________ field.

• spectrum

• electric

• magnetic

• progressive

The Earth produces its own ________ field.

• spectrum

• electric

• magnetic

• progressive

Tags

NGSS.MS-PS2-5

In magnetic materials, all of the ________ are pointing in the same direction.

• doors

• electrons

• domains

• orbits

A permanent magnet is a material that produces a ___________________ field without any ___________________ magnetic field being present.

• electronic, internal

• magnetic, internal

• magnetic, external

• electronic, external

Every magnet has both a _________ pole and a __________ pole.

• North, South

• East, West

• Positive, Negative

• Positive, South

Certain materials respond to magnetic fields by becoming ______________ themselves. ____________ is one of these materials.

• magnetic, Plastic

• electronic, Iron

• magnetic, Iron

• electronic, Plastic

Tags

NGSS.MS-PS2-3

Some objects that normally aren't magnetic can become magnetized when connected to a circuit. Items that are magnetized in this way are called ________.

• electromagnets

• electrons

• electrochromic devices

• permanent magnets

Probably the most useful thing about electromagnets is that they can be turned ________ and ________.

• on, off

• positive, negative

• north, south

• on, negative

Tags

NGSS.MS-PS2-5