WebIn hotter material, the atoms move farther apart, so the material becomes less dense. Because it’s less dense, it rises. In cooler material, the atoms move closer together, and the material becomes more dense, so it sinks. In water, this action is … WebMantle convection is the very slow creeping motion of Earth's solid silicate mantle as convection currents carry heat from the interior to the planet's surface.. The Earth's surface lithosphere rides atop the asthenosphere and the two form the components of the upper mantle.The lithosphere is divided into a number of tectonic plates that are continuously …

Mantle Convection and Plate Tectonics (article) Khan Academy

WebMay 7, 2014 · This is because its density increases. In a liquid, the density decreases, allowing it to stay on top of another substance. The liquid cools as it rises away from the … WebConvection: Rising convection currents carry heat from the Sun’s interior to its surface, whereas cooler material sinks downward. Of course, nothing in a real star is as simple as diagrams in textbooks suggest. Stellar convection occurs as currents of hot gas flow up and down through the star (Figure 3). choke grandson lyrics

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WebSep 3, 2016 · This can be advantageous since the extremities of the heatsink will be warmer (and thus more effectively radiating), and the hot spot attached to the thermal load will be … WebNov 22, 2024 · As hot air from the earth’s surface rises, it soon becomes cold air as it nears space, according to Historyforkids.org. As hot air cools it sinks back to the surface of the earth, where it gets warmed by the ocean only to rise … WebConvection is a process by which heat is transferred from one part of a fluid (liquid or gas) to another by the bulk movement of the fluid itself. Hot regions of a fluid or gas are less … choke function