Because, atoms are so small they can fit on the tip of a pencil.
because atoms are to small to see
Main reason is that the real atom is already unknown. There was many models, like for example: Dalton Model - the atom was a solid ball. Rutherford - orbital model There are also other people that developed study and created their atomic models like Thomson, Bhor and Somerfield. We have today what scientists call the Nowadays Atomic Model, that is the most advanced model, able to best aproximate of a real atom and explain great number of theories. These models are theories about how is the atom, and a model is overtaken by other, when it is able to explain better the atom behaviour. For example, the model of Rutherford overtaken the model of Dalton. So, they use models to better approximate of a real atom in order to study it, because a real atom is not already known also because it is very hard to study a real atom, because it is very small.
It is illegal to use humans. Rats and mice are inexpensive and easy to keep.
Scientist use models to study things because models are sometimes easier to use than trying to study things in a natural environment.
mineralogists study mineralogy. :)
pure scientists
because they are to small for anyone to study.
microscope
because atoms are unseen so scientists or philosophers only conclude what comes to their mind, their thoughts and ideas. how will prove this if you can't? that's the disadvantages of always basing yourself on theories of scientists. People believe easily to them because they are philosophers but they didn't know how they conclude their theories.
to explain the complex features of simple phenomena
Scientist use models
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Main reason is that the real atom is already unknown. There was many models, like for example: Dalton Model - the atom was a solid ball. Rutherford - orbital model There are also other people that developed study and created their atomic models like Thomson, Bhor and Somerfield. We have today what scientists call the Nowadays Atomic Model, that is the most advanced model, able to best aproximate of a real atom and explain great number of theories. These models are theories about how is the atom, and a model is overtaken by other, when it is able to explain better the atom behaviour. For example, the model of Rutherford overtaken the model of Dalton. So, they use models to better approximate of a real atom in order to study it, because a real atom is not already known also because it is very hard to study a real atom, because it is very small.
because they're so small.
They make it so as to explain or study something that cannot be seen with the human eye or something abstract, which needs models to help explain.
Scientists use models of natural systems because these systems are often too large,too small, or too complex to study directly
to tellif its day or night
A scientific model is a representation of a object or event that can be studied to understand the real object or event. A model airplane is a type of model, models represent things that are too big, too small or too complex to study easily.