Webb7 jan. 2024 · The outer core is partly molten and the inner core is fully molten. B The outer core is solid and the inner core is liquid. C The entire core is solid. D The outer core is … Earth's outer core is a fluid layer about 2,260 km (1,400 mi) thick, composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle. The outer core begins approximately 2,889 km (1,795 mi) beneath Earth's surface at the core-mantle boundary and ends 5,150 km (3,200 mi) beneath Earth's … Visa mer Unlike Earth's solid, inner core, its outer core is liquid. Evidence for a fluid outer core includes seismology which shows that seismic shear-waves are not transmitted through the outer core. Although having a composition similar … Visa mer Composition Earth's outer core cannot be entirely constituted of iron or iron-nickel alloy because their densities are higher than geophysical … Visa mer
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Webb11 apr. 2024 · Tim Newcomb. Scientists believe they’ve discovered an ancient ocean floor comprising a new layer between Earth’s mantle and core. Seen previously only in hints, a University of Alabama-led study shows the ancient ocean floor could cover the entirety of the core-mantle boundary. Seismic waves produced by earthquakes help create an … Webb1 okt. 2008 · The core of the Earth is made up mainly of iron, in an outer liquid layer and an inner solid layer. The outer core is where the circulating conducting liquid generates the … heart matters llc
Is the outer core solid or liquid? - Reimagining Education
Webb21 feb. 2024 · The mantle is made of mostly iron, magnesium and silicon, and is around 1,865 miles thick, while the crust is a mere 3.1 miles to 43.5 miles thick, depending on … Webb23 jan. 2024 · The outer core extends for around 1,400 miles and mostly consists of liquid iron and nickel. At the center of our planet lies the dense inner core, which is around 750 … WebbThe outer core flows around the centre of the Earth, and the movement of the metals creates our planet’s magnetic field. Lower Mantle Temperature: 3,000°C State: solid Composition: iron, oxygen, silicon, magnesium and … mount sinai observed holidays 2023