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Junior Certificate Technical Graphics

Tangent. Junior Certificate Technical Graphics. Semicircle. Normal. Diameter. Radius. Introduction or Tester Programme. Quadrant. Sector. Chord. Segment. Technical Graphics Communicates Information. Technical Graphics is a Universal Language. What is Technical Graphics.

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Junior Certificate Technical Graphics

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  1. Tangent Junior Certificate Technical Graphics Semicircle Normal Diameter Radius Introduction or Tester Programme Quadrant Sector Chord Segment

  2. Technical GraphicsCommunicates Information Technical Graphics is a Universal Language

  3. What is Technical Graphics • Technical Graphics is one of the technology subjects offered at junior cycle. • In Technical Graphics students use drawing equipment to create precise and accurate drawings. • These drawings are used to communicateideas or solve problems.

  4. What will I learn in Technical Graphics? • How to produce neat drawings of everyday items • How to represent 3-D objects on paper • How to create models of objects on the computer • How to use freehand sketching, colouring and shading to represent objects

  5. Skills developed in Technical Graphics • Communication skills • Problem solving skills • Computer skills • Creative thinking skills

  6. Communication Skills

  7. Problem Solving Skills

  8. Problem Solving Skills

  9. Computer Skills

  10. Creative Thinking Skill

  11. Design Skills

  12. Is Technical Graphics Useful in Other Subjects? Technical Graphics can be very useful in other subjects such as: • Mathematics • Construction Studies • Materials Technology Wood • Engineering Technology & Metalwork • Junior & Leaving Certificate Technology • Art

  13. The Relationship between … Technical Graphics Project Maths Applications of Geometry and Problem Solving Project Maths Technical Graphics

  14. Some Examples...... • Ordinary Level • Paper 2 • Leaving Certificate

  15. Some Examples...... • Higher Level • Paper 2 • Leaving Certificate

  16. Some Examples...... • Higher Level • Paper 2 • Leaving Certificate

  17. Q R P

  18. Gridlines

  19. Learning Aims and Objectives • From these exercises you will learn: • The difference between construction lines and finish lines • The importance of draftsmanship • The effect of shading and rendering on a drawing • What indexing is, and how it can assist complicated drawings

  20. Activity 1

  21. Activity 1

  22. Activity 2

  23. Activity 2

  24. Activity 3 & 4

  25. Activity 3 & 4

  26. Activity 5

  27. Activity 5 5 1 4 3 2 3 5 4 2 2 1 1 3 2 2 4 3 3 4 4 5 5 5 1 4 3 3 2 1 4 2 4 4 5 4 3 3 3 2 2 2 1 1 5 4 3 3 2 1 4 2 5

  28. Activity 6

  29. Activity 6

  30. Polygons

  31. Learning Aims and Objectives • From these exercises you will learn: • The name and properties of various polygons • What indexing is, and how it can assist complicated drawings • How to construct a Hexagon using a compass • How to construct an Octagon using a square and a compass • That joining points in a different order can produce different shapes • The importance of draftsmanship • The effect of shading and rendering on a drawing

  32. Polygons Hexagon Heptagon Square Equilateral Triangle Pentagon Octagon Nonagon Decagon Circle

  33. Pentagons

  34. Activity 7

  35. Activity 7 1 2 5 4 3

  36. Activity 8

  37. 1 Activity 8 2 5 4 3

  38. Activity 9

  39. Activity 9 1 2 5 4 3

  40. Hexagons

  41. Activity 10

  42. Activity 10 4 Set your compass at the required radius and do not change it. 5 3 6 2 1

  43. Activity 11

  44. Activity 11 4 3 5 2 6 1

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