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What is viscosity?
This question is often best answered by example. Imagine a Styrofoam cup with a hole in the bottom. If I then pour honey into the cup I will find that the cup drains very slowly. That is because honey's viscosity is large compared to other liquids' viscosity. If I fill the same cup with water, for example, the cup will drain much more quickly.
Viscosity is a measure of a fluid's resistance to flow. It describes the internal friction of a moving fluid. A fluid with large viscosity resists motion because its molecular makeup gives it a lot of internal friction. A fluid with low viscosity flows easily because its molecular makeup results in very little friction when it is in motion.
Gases also have viscosity, although it is a little harder to notice it in ordinary circumstances.
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∙ 12y ago
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What determines a magmas viscosity?
the more viscosity it has the slower moving and thicker it is equation balls+scrotum= Nut sack
A characteristic of lava that determines the force of a volcanic eruption is?
Viscosity.
What mainly determines the viscosity of a magma?
Viscosity is the measure of a liquids resistance to flow. In the case of magma, the hotter it is, the lower the viscosity.
What determines how fast a liquid moves through a solid?
Viscosity of the liquid
What determines the explosiveness of an eruption?
viscosity of magma build up of gases
What determines the severity of volcanic eruptions?
The size of the magma chamber and the viscosity of the magma.
What determines the viscosity of magama?
temperature, silica content, and the amount of dissolved gases determine the viscosity of magma. For instance, if the magma is cold, has a high amount of silica and has lots of dissolved gases in it the viscosity will be very high.
What mineral determines magma viscosity?
A magma's viscosity is directly related to its degree of silica content.
What determines oil weight?
Oil weight, actually a measure of viscosity, is determined by the grade of oil, and the amount and type of thickening agents blended in it.
Which property of magma will change the viscosity?
Silica content determines viscosity. The higher the silica content the more viscous (slower moving). Ultramafic <45% silica Least viscous Mafic 45-52% Silica Intermediate 53-65% Silica Felsic >65% Silica Highly viscous
What factors determines the force of a volcano?
The force of a volcanic eruption is affected by many factors. They include, viscosity of the magma, its temperature, amount of gas content, and the size of the magma reservoir.
State any one factor which determines the kinetic energy of a body?
One factor affecting the kinetic energy of a particle (or body) in is the viscosity of the medium through which that particle moves
