🎫 Lesson 1.5 Magnetic Fields Exit Ticket (50 pts.)

Front

What is Geomagnetism?

Back

Geomagnetism is the concept that explains the magnetic properties of planet Earth.

Front

What would you find at the Earth's north pole if you imagine Earth as a bar magnet?

Back

At the Earth's north pole, one would find a southern charge.

Front

What produces the Earth's magnetic field?

Back

The movement of the liquid outer core, heated by the solid inner core, is responsible for producing the Earth's magnetic field.

Front

What is the role of the Earth's outer core in generating its magnetic field?

Back

The Earth's outer core, which is in a liquid state, moves due to convection currents, and this movement generates the magnetic field.

Front

How does the solid inner core affect the Earth's magnetic field?

Back

The solid inner core provides heat to the outer core, which drives the convection currents necessary for generating the magnetic field.

Front

What is the relationship between magnetic poles and electric charges?

Back

Magnetic poles are analogous to electric charges; the north pole of a magnet is attracted to the south pole of another magnet, similar to how opposite electric charges attract.

Front

What is the significance of the Earth's magnetic field for navigation?

Back

The Earth's magnetic field is crucial for navigation as it allows compasses to function, pointing towards magnetic north.

Front

What happens to a compass near the Earth's magnetic poles?

Back

Near the Earth's magnetic poles, a compass may become less reliable as the magnetic field lines are more vertical, causing the compass needle to dip.

Front

What is the difference between the geographic north pole and the magnetic north pole?

Back

The geographic north pole is the northernmost point on Earth, while the magnetic north pole is the point where the Earth's magnetic field points vertically downwards.

Front

How do solar winds affect the Earth's magnetic field?

Back

Solar winds can interact with the Earth's magnetic field, causing phenomena such as auroras and geomagnetic storms.