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tephra, ash, cinders, bombs, blocks, etc. depending on size.
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Why the alpha particles could not smash the nucleus apart?
The alpha particle is positively charged (as is the nucleus) and is heavy compared with the neutron that is neutral and lighter than the alpha particle.Another viewpoint:It depends what experiment the question is about. For example, over a hundred years ago, Rutherford bombarded gold foil with alpha particles and some "bounced off" what we now call the nucleus of the atoms. However, about ten years later he did experiments in which alpha particles did indeed "split" atomic nuclei. So, sometimes alpha particles can certainly smash a nucleus apart.
What evidence is there that electrons are negatively charged particles?
You should understand that it is an arbitrary choice, to call the charge on an electron negative rather than positive. Everything that we know about electromagnetism and sub-atomic particles would work just as well if we had decided to call the charge on the electron plus one, and the charge on the proton minus one. What matters is that protons and electrons have opposite charges (and of course, the various other charged particles have their various charges which relate to the charges of protons and electrons). That is all that we are trying to convey by the use of the term negative. It is opposite to the proton. The existence of these charges is abundantly, even super-abundantly verified by countless millions of experiments, observations, electrical devices, etc.
What do you call a designer of a house?
We call such people architects.
What did Goethe call architecture?
"I call architecture frozen music." -Goethe
What do you call a tailors dummy?
A mannequin.
Why do they call the maria's sea if the is no water on the moon?
Early observers thought that the darkened areas on the Moon resembled seas. The maria were caused by volcanic eruptions over millions of years.
What do you call the fast-travelling stream of hot gas and fragmental material that is produced during an explosive volcanic eruption?
Pyroclastic flow
Tsunamis are what?
Tsunamis that are triggered by volcanic eruptions
How do you predict a volcanic eruption using GPS?
You don't. Prediction of volcanic eruptions, earthquakes, and other geological phenomena cannot be made. Guesses might be made from measurement of land movement with GPS, small tremors with seismographs, and heat flow with IR scanners, but they aren't accurate enough to call them predictions.
What do we call magma that has hardened in a volcanoes pipe?
When magma has solidified in a volcanoes vent it is known as a volcanic plug. In some cases when there is a plug present in a stratovolcano, it can lead to very large explosive eruptions as pressure builds within the volcano.
How do you make a volcano with ash?
The ash in question is not like charcoal ash or cigarette ash, it is a dust made form fine particles of rock. The ash comes out of the volcano very hot and when it lands it sets like concrete to form a hard rock called a 'Tuff'. It is the Tuff that forms the volcano.
What would you call particles of light?
The particles of light are known as photons.
What do you call large falling chunks of lava?
Volcanic bombs.
What do you call the various type that ejected by a volcano?
During a volcanic eruption, lava, tephra (ash, lapilli, volcanic bombs and blocks), and various gases are expelled from a volcanic vent or fissure.
What do you call food that is produced by the plant?
Glucose (Produced in photosynthesis)
What might you call particles of air?
molecules
What did democritus call the particles of matter?
Atoms
