Technical Drawing Scheme of Work for Senior Secondary School

TECHNICAL DRAWING SS3 FIRST TERM WEEK TOPIC / CONTENT ACTIVITIES 1 FREE HAND SKETCHING AND DRAWING principles of free hand sketching of hand tools used by builders and engineers e.g. hammer plurs saws, spanners etc Teacher Explain the principle of free hand sketching guides student in sketching in stitching hand tools Students: Make free hand sketches of hand tool Teaching Materials: Hand tools posters. 2 ENGINEERING DESIGNS AND WORKING DRAWING Engineering design process and preparation of working drawing e.g. plans elevations etc Teacher: Explains engineering design processes Guides students to design useable engineering items e.g. funnels, opener sparer etc Guides student in the preparation of engineering working drawings. Student: Select and deign a useable engineering item preparer the working drawing of chosen item Teaching Materials Drawing instruments and model 3 SCREW THREADS, FASTENER AND DEVICES type of screw threads e.g. v - threads ,square buttress and active etc type of fastener and their user e.g . bolt, nuts, studs screws etc Teacher: Display and describes type of screw threads and fasteners Students: Identify type of screw threads and fasteners Teaching Materials Bench vice, bolts, screws nuts etc . 4 SCREWS THEADS FASTENERS AND DEVICES Type of locking devices and their application e.g. Teacher: Guides student in the conventional represent of locking devise fastener and screw threads