Category: Lesson Notes
Properties of materials: wood, metal, ceramic and glass
Properties of wood: DENSITY: this is an excellent indicator of wood strength. Density refers to how thick a piece of wood is; the thicker it…
Safety Guidelines – workshop safety
A workshop is a place where engineering works are being carried out by the professionals or experts. Things are made or repaired in a workshop….
Identification of Plastics and Rubber
PLASTICS Plastics are obtained from petrol-chemical products and they are moulded to shape at a very high temperature. Plastics are non-metallic objects. Types of plastics…
Identification of Ceramics
CERAMICS are objects or products made of clay that has been heated to a very high temperature so that it becomes hard. Apart from clay,…
Identification of Metal and Metal Processing
A metal is a solid material that is typically hard, opaque, shiny, and acts as good electrical and thermal conductivity. Types of Metal There are…
WORKSHOP SAFETY: DEFINITION, SAFETY RULES, SAFETY DEVICES
What’s a workshop? A workshop is a place where engineering works are being carried out by the professionals or experts. Examples of workshops are: Carpentry…
Basic Technology Note (JS1): TECHNOLOGY AND SOCIETY
Technology is not necessarily ‘transferred’, it is developed. People develop technology when they improve their knowledge, skills and procedures for making, using and doing things….
NOTES ON BASIC TECHNOLOGY JS1 (Revised)
File size: 4.5MB This note contains scheme of work, exercises, home work, as well as appropriate instructional materials/diagrams. The note is broken into weeks and…
Mechanical Transmission System: Friction, Definition, Causes and Laws. (Basic Technology Note)
When one object rubs and grates another, it causes friction. Friction can be defined as a force that resists the relative motion of solid surfaces, fluid layers…
BASIC TECHNOLOGY LESSON NOTE: Mechanical Transmission System – Drive Mechanism (gears and chain drive)
Drive Mechanism A drive mechanism is one that takes the power coming from a motor without any reduction. Gears, chains and belts are used to transmit energies. Gears Gears…
