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Tech Unit 1 Vocab
8th Grade
| Term | Definition |
|---|---|
| Drafting | Universal language that uses drawings and numbers to represent an object. |
| Dimensioning | Adding measurements to a drawing. |
| To Find the Center a Drawing | Bisect the corners. |
| To Center a Drawing | Divide the measurements in half. |
| Transferring | Using one line to draw another. |
| T-square | Used to draw horizontal lines. |
| Triangles | Used to draw angles and vertical lines. |
| Compasses/Circle Templates | Used to draw circles. |
| Brushes | Used to clean off drawings. |
| Protractors | Used to measure any angle between 0-180 degrees. |
| Eraser Shields | Used to protect good lines while deleting bad lines. |
| Pencils | Contain graphite. |
| Layout Drawing | 2 dimensional and shows the size and shape of an object. |
| Orthographic Projection | 3 separate views of the same object. |
| Horizontal Lines | Go side to side. |
| Vertical Lines | Go up and down. |
| Object Lines | Should be sharp and dark. |
| Construction Lines | Should be light. Used to layout an object's basic shape. |
| Center Lines | Show the middle of an object. |
| Extension Lines | Light lines that extend from the object and must not touch. |
| Dimension Lines | Lines that have arrows and numbers to indicate sizes. |
| Hidden Lines | Lines that describe a part of an object that is not visible. |