A. The core directly cools the mantle through radiation B. Heat from the core drives convection currents in the mantle C. The mantle sends cold energy to the core to balance its heat D. There is no E. nergy transfer between the core and the mantle 相关知识点: 试题...
What are convection currents in the Earth's mantle? Heat and Density: Hot particles are less dense than cold particles. This applies to air, water, and rock in the mantle of the Earth. Since warmed particles move faster, there is more space between them. The wider space between particles ...
The continents of the Earth slowly move around due to the convection currents in the mantle of the Earth. The conversation currents in the mantle cause some continents to collide with each other while it forces others apart, altering the shape of the face of the Earth over millions of years...
The Earth's crust, or lithosphere, is divided into seven major areas called tectonic plates. Each plate drifts around slowly based on convection currents in the mantle. Even though the movement is slow, tectonic plates can have enormous impacts, creating impact phenomena, like mountain ranges, vo...
Magmain the Earth's mantle moves in convection currents. The hot core heats the material above it, causing it to rise toward the crust, where it cools. The heat comes from the intense pressure on the rock, combined with the energy released from the naturalradioactive decayof elements. The...
convection currents and mantle plumesTop of pageReferences Observations of Venus and Africa, an analogous terrestrial plate, indicate that upwellings a few hundred kilometers across are pervasive in the ambient upper mantle of both Venus and Earth. Because of their small size, when they reach the ...
the first 62 miles (100 kilometers) of the surface. The deep, churning convection of the mantle drove the rest. The mantle became particularly important when the continents got pushed together to form supercontinents, while the shallow forces dominated when supercontinents broke apart in the model...
In the context of the Earth's lithospheric plates, convection currents are responsible for the movement of these plates. The plastic mantle, also known as the asthenosphere, is a layer of the Earth's mantle that is semi-fluid and capable of flowing over long periods of time. It is in ...
Compared to other strata, much is known about the upper mantle, thanks to seismic studies and direct investigations using mineralogical and geological surveys. Movement in the mantle (i.e. convection) is expressed at the surface through the motions of tectonic plates. Driven by heat from deeper ...
aCurrents in Earth’s mantle called convection currents transfer heat in Earth’s interior. It is thought that this transfer of heat energy moves plates. 潮流在地球的披风叫的对流调动热在地球的内部。 它被认为热能这调动移动板材。[translate] ...