What characteristics of two and three dimensional devices did you note?
- A two-dimensional device has length and width. The product of length and width gives the area of the object. e.g. Map is a two - dimensional device.
- A three-dimensional object has length, width, and height (thickness). The product of these three gives the volume of the object. e.g. Globe is a three-dimensional device.
Concept: Introduction to Comparing a Globe and a Map; Field Visits
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