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What portion of the mantel is hot enough to begin melting rocks into magma?
The portion of the mantle that is hot enough to begin melting rocks into magma is typically found in the upper mantle, specifically in regions called the asthenosphere. This area experiences temperatures ranging from about 1300°C to 1600°C (2400°F to 2900°F), which can cause partial melting of the mantle rocks. The melting occurs primarily due to a combination of high temperature and pressure, along with the presence of water and other volatiles that lower the melting point of rocks.
How does melting point change as the water content of rocks increases?
As the water content of rocks increases, the melting point typically decreases. This is because the presence of water lowers the melting point of minerals in the rocks by acting as a flux that promotes melting. The addition of water creates a eutectic point where the rock will begin to melt at a lower temperature.
Why does vaseline melt when in heat?
Vaseline is made primarily of hydrocarbons, which have low melting points. When exposed to heat, the hydrocarbons in Vaseline begin to melt and transition from a solid to a liquid state. This process is known as melting point depression, where increased temperature causes the substance to break down and become less structured, leading to its melting.
What is the movement of particles when melting?
When a substance melts, its particles gain energy and begin to move more freely. In a solid state, particles are tightly packed and vibrate in fixed positions, but as they absorb heat during melting, they overcome some of the attractive forces holding them together. This increased energy allows the particles to break free from their rigid arrangement, transitioning into the liquid state where they can slide past one another. As a result, the solid becomes a liquid, exhibiting the characteristics of a fluid.
Can you tell where a cell ends and another begin?
Cells have very well definted boundaries. For animal cells, it is the cell membrane, and for plant cells it is the cell wall.
How hot can ice-cream get with out melting?
Ice cream cannot get "hot" at all before melting. It will begin to melt as soon as it is removed from refrigeration.
What portion of the mantle is hot enough to begin melting rocks into magma?
asthenosphere
If a rock is heated to 600 degrees Celsius at what pressure will it begin to melt?
The pressure required for a rock to begin melting at a specific temperature depends on the rock's composition. Different rocks have different melting points at various pressures. To determine the pressure required for a specific rock to begin melting at 600 degrees Celsius, you would need to consult phase diagrams or experimental data for that particular rock type.
At which temperature does a solid changes to a liquid?
Substances have different melting points. When a substance reaches it melting point it will begin a phase change. Wikipedia's chart for elements of melting points. http://en.wikipedia.org/wiki/List_of_elements_by_melting_point
How are divergent plates different from convergent plates?
Divergent Boundaries happen when two plates (oceanic or contental) begin to diverge, or move apart. Convergent Boundaries occur when two plates (again, oceanic or contential) begin to converge or move apart
When snow and ice begin changing state from solid to liquid the physical change is called?
Melting
What portion of the mantel is hot enough to begin melting rocks into magma?
The portion of the mantle that is hot enough to begin melting rocks into magma is typically found in the upper mantle, specifically in regions called the asthenosphere. This area experiences temperatures ranging from about 1300°C to 1600°C (2400°F to 2900°F), which can cause partial melting of the mantle rocks. The melting occurs primarily due to a combination of high temperature and pressure, along with the presence of water and other volatiles that lower the melting point of rocks.
Why would a plume of solid silicate rock rising slowly from deep in the mantle begin melting as it near the base of the lithosphere?
Temperatures remain high as lowered pressures decrease melting temperatures.
What happens to the particles as the temperature of a solid increases?
Nothing until it hits its melting point. Once it hits its melting point, its particles begin to move more freely, and the solid turns into a liquid.
When does school zones count?
School zones are usually identified by signs that say well, SCHOOL ZONE. They usually begin and end at school boundaries. They usually begin when you pass the sign.
What Energy transformation melting snow?
The energy transformation involved in melting snow is typically a change from heat energy to kinetic energy. When heat is applied to snow, it absorbs the energy and the snow particles begin to gain energy and move more quickly, resulting in the melting of the snow.
What is the Melting Point for Cardboard?
The melting point of cardboard is typically around 150-180 degrees Celsius (300-350 degrees Fahrenheit). Beyond this temperature range, cardboard will begin to degrade and burn.
