How do we use models in our every day lives? : How do we use models in our every day lives?
What is a model? : What is a model? Represents something in the natural world. (Both on earth and beyond).
Models can come in two forms: : Models can come in two forms: Physical: Actual model we create, see and can hold.
Symbolic: These are usually mathematical or computer models. They represent something that we cannot see.
Traits of a scientific model : Traits of a scientific model 1. Models are usually incomplete.
Since models can represent very large, small or complex structures, scientists have to make decisions about what to cut out. 2. A model may be changed.
Just like our star introduction, we can manipulate models to show us what might happen.