Earth's Geomagnetism

Compasses point

• North

• South

• East

• West

What causes the compass needle to move?

• Push and pull

• Other magnets

• Magnetic forces

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How do scientists visualize magnetic forces? (select all that apply)

• Models

• Pictures of the forces

• Magnetic field lines

• Make predictions

Magnetic field lines always connect _________ poles

• Like

• Opposite

Which image shows magnets being attracted together?

• 
• 

Tags

NGSS.3-PS2-4

Which image shows magnets repelling each other?

• 
• 

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The earth's north pole is the magnetic _____________

• North

• South

• East

• West

How do animals know which way is north and south?

• Memory

• Maps

• Metal in their blood

What causes Earth's magnetic field?

• The core is a magnet

• Liquid iron core moving around

• The moon is a magnet

Magnetic field lines always go from the ____________ to the ___________

• South to south

• North to north

• North to south

• South to north