Lesson plan about graphical communication(drawings)grade 8 technology
Title: Graphical Communication in Technology
Grade: 8
Objective: Students will learn the importance of graphical communication in technology and develop their drawing skills.
Materials Needed:
- Paper
- Pencils
- Erasers
- Rulers
- Protractors
- Coloring materials (markers, colored pencils, etc.)
Lesson Plan:
Introduction (10 minutes):
- Begin by discussing what graphical communication is and why it is important in technology.
- Show examples of technical drawings and explain how they are used in design and manufacturing processes.
- Discuss the different types of drawings used in technology, such as schematic diagrams, orthographic projections, and isometric drawings.
Activity 1: Basic Drawing Skills (20 minutes):
- Have students practice their basic drawing skills by drawing simple geometric shapes, such as squares, triangles, and circles.
- Encourage students to use rulers and protractors to make their drawings more accurate.
- Discuss the importance of scale and proportion in technical drawings.
Activity 2: Orthographic Projection (30 minutes):
- Introduce students to the concept of orthographic projection, which is a method of representing a three-dimensional object in two dimensions.
- Provide students with an object to draw, such as a box or a toy.
- Have students draw the object from the front, top, and side views, emphasizing the importance of consistency and accuracy.
Activity 3: Isometric Drawing (30 minutes):
- Explain isometric drawing as a method of representing three-dimensional objects on a two-dimensional surface.
- Provide students with simple shapes to draw in isometric projection.
- Encourage students to use their knowledge of perspective to make their drawings look more realistic.
Conclusion (10 minutes):
- Discuss the importance of graphical communication in technology and how it impacts various industries.
- Encourage students to continue practicing their drawing skills and explore different types of technical drawings.
- Ask students to reflect on what they have learned and how they can apply it in their future studies or careers.
Assessment:
- Assess students' drawings based on accuracy, neatness, and attention to detail.
- Have students explain their drawings and the techniques they used to create them.
- Provide feedback on areas for improvement and encourage students to continue developing their graphical communication skills.