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Tephra is the general term now used by volcanologists for airborne volcanic ejecta of any size. Historically, however, various terms have been used to describe ejecta of different sizes. Fragmental volcanic products between 0.1 to about 2.5 inches in diameter are called lapilli; material finer than 0.1 inch is called ash. Fragments larger than about 2.5 inches are called blocks if they were ejected in a solid state and volcanic bombs if ejected in semi-solid, or plastic, condition. In a major explosive eruption, most of the pyroclastic debris would consist of lapilli and ash. Volcanic bombs undergo widely varying degrees of aerodynamic shaping, depending on their fluidity, during the flight through the atmosphere. Based on their shapes after they hit the ground, bombs are variously described, in graphic terms, as "spindle or fusiform", "ribbon", "bread-crust", or "cow-dung".
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What happens when the sun heats ground water?
When the sun heats ground water it evaporates into the atmosphere, then it condensates back into droplets, and then falls as rain back into the ground. It is a never ending cycle and is quite unique.
What is it called when rain falls to the ground and flows into surface water and is six letters and begins with a r?
runoff
What do you call the particles produced in volcanic eruptions?
tephra, ash, cinders, bombs, blocks, etc. depending on size.
What is ground movement?
brunnett beauty: What is ground movement? I believe ground movement is the plates moving in the earth just like how earthquakes form by plates in the ground colide to make movement in the earth.
What kind of feature will it form if the the magma chamber empties beneath a composite volcano and then collapses?
It falls down
What is water called when it falls to the ground?
When water falls to the ground, it is called precipitation, which can take the form of rain, snow, sleet, or hail.
Which volcanoes form from the fallen cinders and tephra of an eruption?
Cinder cone volcanoes form from the accumulation of cinders and tephra during an explosive volcanic eruption. This material is ejected from the volcano and falls around the vent, building up a cone-shaped structure. Examples of cinder cone volcanoes include Paricutin in Mexico and Sunset Crater in Arizona.
What volcanoes form from the fallen cinders and tephra of an eruption?
A combination volcano develops from repeated lava eruptions and the accompanying tephra deposits Tephra is the debris from the eruption..
What is any form of water such as rain snow sleet or hail that falls from the sky to the ground?
Precipitation is any form of water, such as rain, snow, sleet, or hail, that falls from the sky to the ground.
What form does most of Earth's fresh water fall to ground as?
Most of Earth's fresh water falls to the ground as rain.
Is it true that condensation is any form of moisture that falls to the ground from a cloud?
No... that would be PRECIPITATION
Is dew a form of precipitaion?
No because precipitation falls from the sky and dew evaporates from the ground (I think)
On Earth rain falls to the ground from which of these things?
Rain falls to the ground from clouds when water droplets in the clouds combine to form larger droplets that become heavy enough to fall due to gravity.
What is medium-sized tephra?
Medium-sized tephra consists of pyroclastic material that falls between fine ash and coarse lapilli in size. It typically ranges from 2 to 64 millimeters in diameter and is produced during explosive volcanic eruptions. Medium-sized tephra can pose hazards to aviation, infrastructure, and human health depending on the volcanic activity.
What s the definition of precipitation?
Precipitation is any form of water, liquid or solid, that falls from the atmosphere and reaches the ground. This can include rain, snow, sleet, or hail.
What is the name of the largest sized tephra?
Blocks is the name used for the biggest pieces of tephra. Tephra is produced by a volcanic eruption.
What is the name of the liquid that falls from the sky when it rains?
The liquid that falls from the sky when it rains is called rainwater. It is a natural form of precipitation that occurs when water vapor in the air condenses and falls back down to the ground.
