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models (model of cells-basic units of life (what are living things made…
models
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a diagram, tiny house and floor plan are models
is picture, diagram or object that helps us understand things that are too small to be seen, too large or complicated to be studied easily
scientists often make them to help them understand things. however, models are always simplifications of real things and so are never perfect. as scientists gain more knowledge about things, they change and improve models
cell model for living things, particulate model of matter, atomic model and ray model of light