Models in Science. What do a crash-test dummy, a mathematical equation and a road map have in common?. They are all models that represent real things. Why are models necessary?. Models can help you visualize, or picture in your mind, something that is difficult to see or understand.
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What do a crash-test dummy, a mathematical equation and a road map have in common?
They are all models that represent real things.
Models also can be of things that can’t be seen because they don’t exist anymore or they haven’t been created yet.
Models also can show events that occur too slowly or too quickly to see.
Some computer models can model events that take a long time or take place too quickly to see.
The solar system is too large to be viewed all at once, so models are made to understand it.