Moving Charges and Magnetism

Although magnetic fields are _____________, one common way that people investigate them is to use ________ filings.

• invisible, iron

• touchable, iron

• invisible, plastic

• touchable, plastic

Tags

NGSS.MS-PS2-3

Magnetism is a force of ____________________________ that occurs between two _____________ objects.

• attraction or repulsion, magnetic

• external or internal, magnetic

• external or repulsion, electronic

• attraction or internal, electronic

Tags

NGSS.MS-PS2-5

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

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

• doors

• electrons

• domains

• orbits

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

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

• on, off

• positive, negative

• north, south

• on, negative

If two magnets are close together, the magnetic force will be ________.

• smelly

• weak

• strong

• positive

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5