Magnetic Field Lesson

Magnetic field lines are closet together at the __________.

• poles
• lines

Earth's magnetic poles are in the same place as the geographic poles.

• True

• False

The effects of a magnetic field can be observed using non-metal fillings.

• True 
• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Magnets can interact without touching.

• True

• False

Tags

NGSS.MS-PS2-5

Magnetic field lines always cross.

• True
• False

The motion of liquid _______ in the Earth's core creates a magnetic field.

• Iron
• Magnesium

Tags

NGSS.HS-PS2-5

__________ is the angle between geographic north and the north to which a compass needle points.

• declination
• magnetic force

When the magnetic fields of two or more magnets overlap, a(n) _________ magnetic field forms.

• combined

• single

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A compass behaves as it does because each needle acts as a(n) ___________.

• Magnet

• Guide

Tags

NGSS.3-PS2-3

NGSS.3-PS2-4

A(n) __________ is a device that has a magnetized needle that can spin freely.

• Compass
• Magnetic Field