WebAnswered: The inner core of the earth is liquid… bartleby. ASK AN EXPERT. Science Earth Science The inner core of the earth is liquid iron and nickel. It is thought to generate the earth's magnetic field, which makes compasses point north and south. The inner core of the earth is liquid iron and nickel. It is thought to generate the earth's ... WebApr 8, 2024 · The cooling and crystallization of the core stirs up the surrounding liquid iron, creating powerful electric currents that generate a magnetic field stretching far out into space. This magnetic field is known as the geodynamo. Multiple lines of evidence have shown that the Earth’s magnetic field existed at least 3.5 billion years ago.
When North Goes South: Is Earth
WebA preference for the crystals in the core to align in the north–south direction could account for the observed seismic anomaly. [18] One phenomenon that could cause such partial alignment is slow flow … Researchers map out the ancient history of Earth’s magnetic field using volcanic rocks. When lava cools, the iron that it contains is magnetized in the direction of the magnetic field. By examining these rocks and using radiometric dating techniques, it’s possible to reconstruct the past behavior of the planet’s … See more Scientists can’t be sure of the exact repercussions that a reversal will have — the evidence from previous reversals remains unclear — but they may be serious. For instance, many animals use the Earth’s magnetic … See more The direct effect on mankind could be only slight, but not so for technology. We use artificial satellites for navigation, television broadcasting, … See more five in hawaiian
The source of Earth
WebUnlike magnetic poles attract, so the north indicator of the compass will point toward the south pole of a magnet. In response to the Earth's magnetic field, the compass will point … WebNov 14, 2024 · All magnets have north and south poles. Opposite poles are attracted to each other, while the same poles repel each other. When you rub a piece of iron along a magnet, the north-seeking poles of the … WebJan 5, 2024 · The Geographic North Pole is defined by the latitude 90° N and is the axis of the Earth's rotation. The Magnetic North Pole is where the Earth's magnetic field points vertically downward. The Earth creates its … can i put a gif as my desktop background