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Heated powdered volcanic rock is commonly referred to as "tephra," which includes various forms such as ash, pumice, and volcanic sand. When these materials are ejected during a volcanic eruption, they can become extremely hot and may be used in applications like construction, landscaping, and even as a soil amendment due to their lightweight and porous nature. Another example is "pozzolana," a volcanic ash that, when mixed with lime, can create strong cement.
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In volcanic areas groundwater heated by magma is a source of what?
In volcanic areas, groundwater heated by magma can be a source of hot springs, geothermal energy, and steam. This heated groundwater can also contribute to the formation of hydrothermal features such as geysers and fumaroles.
What common process of change occurs when lava is heated?
When lava is heated, it undergoes a process called crystallization, where the molten rock solidifies and forms crystals as it cools. This process is essential in the formation of igneous rocks, such as basalt and granite, as well as in the development of various volcanic landforms.
What is a liquid that is heated may be called?
A liquid that is heated may be called a "heating medium" or simply "heated liquid."
Does heated magma rise or sink?
When magma is being heated it rises. When it is cooled, it sinks.
Why are hotsprings and geysers found in area of present or past volcanic activity?
because they are both heated by a nearby body of magma
What two products are formed when iron sulphide is heated in air?
Solid iron oxide and a poisonous called sulphur dioxide
In volcanic areas groundwater heated by magma is a source of what?
In volcanic areas, groundwater heated by magma can be a source of hot springs, geothermal energy, and steam. This heated groundwater can also contribute to the formation of hydrothermal features such as geysers and fumaroles.
What is formed when a mixture of powdered iron and sulfur is heated?
When a mixture of powdered iron and sulfur is heated, iron sulfide is formed. Iron sulfide is a compound composed of iron and sulfur atoms that have reacted together through a chemical reaction.
What is the balanced chemical equation for powered quartz is heated with powered magnesium?
The balanced chemical equation for powdered quartz (SiO2) reacting with powdered magnesium (Mg) when heated is: 2Mg + SiO2 -> 2MgO + Si. This reaction produces magnesium oxide (MgO) and silicon (Si).
In volcanic areas groundwater heated by magma is source of?
geothermal energy
What is the opening top of the volcano called?
The opening top of the volcano is called a crater. The super-heated gases and ash billows out of the mouth of hell before the magma erupts out destroying all in its path.
What common process of change occurs when lava is heated?
When lava is heated, it undergoes a process called crystallization, where the molten rock solidifies and forms crystals as it cools. This process is essential in the formation of igneous rocks, such as basalt and granite, as well as in the development of various volcanic landforms.
How are the homes in Reykavik Iceland heated?
by hot water tapped from volcanic springs.
An underground spring that becomes boiling hot and spews out into the air is called?
An underground spring that becomes boiling hot and spews water into the air is called a geyser. Geysers occur when underground water is heated by volcanic activity, causing pressure to build until it erupts as steam and hot water. Famous examples include Old Faithful in Yellowstone National Park.
Rubber and glass which become softer as they are heated are examples of?
Rubber and glass which become softer as they are heated are examples of crystalline solids
What is a liquid that is heated may be called?
A liquid that is heated may be called a "heating medium" or simply "heated liquid."
What type of change is it when you heat a mixture of powdered iron and sulfur iron?
The change is a chemical change known as a chemical reaction. When heated, the iron and sulfur react to form a new compound called iron sulfide.
