Why does the earth behave like a giant magnet?

Earth behaves like a giant magnet because of the molten metal in its core, which causes the magnetic poles to move. This is also why the hole in the ozone layer is above Antarctica, due to the circulation patterns of air currents. As for the fractional distillating column of liquid air, the oxygen gas and argon gas have different boiling points, but when the liquid air reaches the exit of the oxygen gas, the argon also boils, making it impossible to separate the two gases. For further information on the hole in the ozone layer, you can visit www.nasa.gov.
  • #1
lwymarie
90
1
why does the Earth behave like a giant magnet?

why the hole in the ozone layer is above Antarctica but not polluted continents?

in a fractional distillating column of liquid air, the 'exit' of oxygen gas (b.p. -183C) is below the argon gas (b.p. -186C). However, when the liquid air encounters the 'exit' of oxygen gas which is at -183C, the argon also boils. So we cannot separate the oxygen and argon.
What's wrong with my concept?
 
Chemistry news on Phys.org
  • #2
anyone can help me?
 
  • #3
the answer to your first question is that there is much molten metal in the core of the earth. the motions of this metal is what changes the location of the magnetic poles. yes, they do move.metal does that. the answer to your second question may be found at www.nasa.gov .

Fibonacci
 

1. Why does the earth have a magnetic field?

The earth has a magnetic field because of its molten iron core. The outer core of the earth is constantly moving and this creates a dynamo effect, generating an electric current which in turn creates a magnetic field.

2. How does the earth's magnetic field protect us?

The earth's magnetic field acts as a shield, protecting us from harmful particles and radiation from the sun. It deflects these particles away from the earth's atmosphere and prevents them from reaching the surface.

3. Does the earth's magnetic field ever change?

Yes, the earth's magnetic field is constantly changing. It can even flip completely, with the north and south poles switching places. This has happened numerous times throughout the earth's history.

4. How does the earth's magnetic field affect animals?

Many animals, such as birds, use the earth's magnetic field to navigate during migration. Some animals, like pigeons, have tiny particles of iron in their beaks which help them sense the earth's magnetic field.

5. Can the earth's magnetic field affect technology?

Yes, the earth's magnetic field can affect technology, especially compasses and other navigation systems. It can also cause disruptions in satellite communication and power grids during strong magnetic storms.

Similar threads

Replies
3
Views
17K
Replies
6
Views
759
  • Introductory Physics Homework Help
Replies
14
Views
3K
  • Sci-Fi Writing and World Building
Replies
21
Views
1K
  • Astronomy and Astrophysics
Replies
10
Views
3K
Replies
4
Views
7K
  • Sci-Fi Writing and World Building
Replies
6
Views
2K
  • Biology and Medical
Replies
6
Views
22K
  • Earth Sciences
Replies
5
Views
4K
  • Sci-Fi Writing and World Building
Replies
1
Views
3K
Back
Top