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Mauna Loa has a low-viscosity basaltic lava, which contributes to its broad, gently sloping shield shape. This type of lava allows for fluid flow over long distances, creating its extensive and wide profile. The volcano stands at approximately 13,681 feet (4,170 meters) above sea level, making it one of the tallest mountains in the world when measured from its base on the ocean floor. Its height and shape are typical of shield volcanoes formed by the accumulation of fluid lava flows.
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What kind of shape is mauna loa volcano?
Mauna Loa is a shield volcano. This means that it has a very large diameter compared to its height and so its flanks are not especially steep but it is still one of the biggest volcanoes on earth. It's still active and is located on the island of Hawaii.
Explain what determines the viscosity of a liquid?
Viscosity of a liquid is determined by the intermolecular forces between its molecules. Strong intermolecular forces lead to higher viscosity, as molecules resist sliding past each other. Temperature also affects viscosity, with higher temperatures decreasing viscosity by increasing molecular motion.
What mineral affects the thickness of magma?
The mineral that significantly affects the thickness (viscosity) of magma is silica. Higher silica content in magma leads to increased viscosity, making it thicker and more resistant to flow. Conversely, magma with lower silica content is less viscous and flows more easily. This variation in viscosity plays a crucial role in determining the type of volcanic eruptions and the shape of volcanic landforms.
What effects a fluids viscosity?
Factors that affect a fluid's viscosity include temperature (higher temperatures lead to lower viscosity), pressure (increased pressure can increase viscosity), and the composition of the fluid (molecular size and shape can affect how easily molecules can flow past each other).
What term means the shape or height of the land?
Topography refers to the shape or height of the land. It includes features such as mountains, valleys, and plateaus.
Does mauna loa have mafic or felsic magma?
Mauna Loa volcano in Hawaii typically has mafic magma, which is rich in magnesium and iron, resulting in low viscosity and flowing lava. This magma composition contributes to the shield volcano shape and frequent eruptions on Mauna Loa.
Explain what determines the viscosity of a liquid?
Viscosity of a liquid is determined by the intermolecular forces between its molecules. Strong intermolecular forces lead to higher viscosity, as molecules resist sliding past each other. Temperature also affects viscosity, with higher temperatures decreasing viscosity by increasing molecular motion.
What kind of shape is mauna loa volcano?
Mauna Loa is a shield volcano. This means that it has a very large diameter compared to its height and so its flanks are not especially steep but it is still one of the biggest volcanoes on earth. It's still active and is located on the island of Hawaii.
What mineral affects the thickness of magma?
The mineral that significantly affects the thickness (viscosity) of magma is silica. Higher silica content in magma leads to increased viscosity, making it thicker and more resistant to flow. Conversely, magma with lower silica content is less viscous and flows more easily. This variation in viscosity plays a crucial role in determining the type of volcanic eruptions and the shape of volcanic landforms.
How much does Mauna Kea grow a year?
Mauna Kea is a dormant volcano, so it does not grow in height due to volcanic activity. However, the mountain is still subject to erosion, weathering, and tectonic plate movement, which can cause some changes in its overall shape and size over long periods of time.
Do shield volcanoes have high viscosity?
No, shield volcanoes have low viscosity lava due to their composition of basaltic magma, which has low silica content. This low viscosity allows the lava to flow easily and spread out over a wide area, resulting in the gentle, sloping shape characteristic of shield volcanoes.
Is parison's viscosity low or high?
The viscosity is high because the parison needs to hold its shape.
What is a liquids resistance to flowing or a change in shape?
viscosity
What does height of a shape mean?
how height it is
What factors determine the viscosity of a fluid if viscosity does not depend on temperature?
The factors that determine the viscosity of a fluid, when viscosity is not affected by temperature, include the size and shape of the molecules in the fluid, the presence of any impurities or additives, and the pressure under which the fluid is being measured.
Does liquid flow because it has no shape of its own?
Liquid flows because of its viscosity.
What is three dimesional shape?
A three dimensional shape is where you have height, width, and length where as in a two dimensional shape you only have height and length
