If it is a magnet,does it have poles i.e.,one of the property of the magnet is that even it is cut into small pieces,it contains poles,its a mandatory.If it is not a magnet then how living organisms can stay on earth
2007-06-20 05:59:58 · 7 answers · asked by sanjay t 1 in Science & Mathematics ➔ Earth Sciences & Geology
Hi. Earth's iron based core generates a magnetic field even though it is a liquid. The field is incredibly weak. Consider that a toy horseshoe magnet can lift a pin with the whole earth field pulling it down.
2007-06-20 06:04:27 · answer #1 · answered by Cirric 7 · 0⤊ 0⤋
Yes,earth is a magnet.But you're mixing 2 questions together.
The answer to your first question-
Theories tell us that due to the molten metals at the core of earth, it possesses a magnetic field. Hence earth has poles...North Pole and South Pole. It does behaves like a huge magnet. The small rock magnets used in laboratories actually reflect their poles opposite to earth's poles.So earth has magnetic properties...(such as a huge Magnetic Field around it).
Answer to your 2nd question-
Living Organisms stay on earth because of its gravity (which has nothing to do with the magnetic field of earth). Anything that has a "mass" offers a gravitational force. All other objects on the surface of earth are attracted towards the core because of this gravitational force.Hence, they stay on earth's surface and feel their "Weight".If there is no gravitational force, you'll feel weightless.
2007-06-20 14:50:16 · answer #2 · answered by sukhbir 2 · 0⤊ 0⤋
To the First Approximation the Earth is a dipole (magnet). To the Second Approximation, however, that model breaks down. This is in part due to iron concentrations (or lack thereof) within the interior of the Earth. Also, organisms stay on the Earth due to the effects of gravity. When astronauts landed on the moon they stayed there till they blasted off. The moon has no magnetic field, but it does have a gravitational field (about 1/6th as strong as the Earths gravitational field).
2007-06-20 22:17:02 · answer #3 · answered by Amphibolite 7 · 0⤊ 0⤋
The entire earth is not a magnet, just the metallic core. But earth has a magnetic field.
2007-06-20 17:12:52 · answer #4 · answered by dip 2 · 0⤊ 0⤋
The entire earth is not a magnet, just the metallic core.
2007-06-20 13:02:42 · answer #5 · answered by Anonymous · 0⤊ 0⤋
The magnetic core of the earth is part of what forms the ozone layer that protects us from radiation.
2007-06-20 18:47:20 · answer #6 · answered by JOHNNIE B 7 · 0⤊ 0⤋
earth isnt a magnet but it appears to be one. it has poles because of its core which is made up of iron.
2007-06-24 09:47:20 · answer #7 · answered by U D 2 · 0⤊ 0⤋