Week 2

Topic: GRAVITATIONAL FIELD AND LAW, GRAVITATIONAL POTENTIAL, ESCAPE VELOCITY , POTENTIAL ENERGY IN GRAVITATIONAL FIELD

Concept of Gravitational Field

There are two types of forces – contact f […]

JSS 3 SECOND TERM BASIC TECH
Week 10
Topic: MECHANICAL ENERGY TRANSMISSION SYSTEM (Linear Motion)
Content:
Linear Motion
Lever arrangement to produce linear motion
Use of slides and slots in mechanical […]

Physics SS 3 Week 1
Topic: ALTERNATING CURRENT CIRCUIT
ALTERNATING CURRENT
A.C. circuits are circuits through which an alternating current flows. Such circuits are used extensively in power transmission, radio, […]

JSS 3 SECOND TERM BASIC TECH Week 8

Topic: MECHANICAL ENERGY TRANSMISSION SYSTEM
Content:

Belt and chain drives
Use of belt drives where slip is not important
Use of chain drives where slip is not […]

JSS 3 SECOND TERM BASIC TECH
Week 7

Topic: MECHANICAL ENERGY TRANSMISSION SYSTEM (FRICTION)

Content:

Friction and its effects
Friction between two surfaces sliding on each
Advantages and […]

JSS3 SECOND TERM Week 9

Topic: MECHANICAL ENERGY TRANSMISSION SYSTEM (Gears)

Content:

Gears, gearing and related calculations
Types of gears
Uses of gears
Gear ratios and speed ratios […]

JSS 3 SECOND TERM BASIC TECH WEEK 5

Topic: PRINCIPLES OF MEASUREMENT AND MEASURING
CONTENT:

Principles of measurement and measure
Tools and Cutting
Files and Filling
Drills and Drilling […]

JSS 3 SECOND TERM BASIC TECH Week 4

Topic: METAL WORK MACHINES
Introduction
A machine tool is a machine that cuts metals and performs some other operations by manipulation of its parts. This chapter […]

Physics SS 1 week 10
Topic: ELECTROMAGNETIC INDUCTION
INDUCED CURRENT
Definition: Electromagnetic induction (or sometimes just induction) is a process where a conductor placed in a changing magnetic field (or a […]

Biology SS 2, Third Term, Week 10
Topic: Food Shortage 

JSS3 BASIC TECHNOLOGY SECOND TERM Week 2

Topic: WOOD WORK MACHINES
INTRODUCTION
Woodwork machines refer to the common equipment used in the workshop. Most of these machines are heavy and cannot be handled […]

Week 9
Topic: ELECTROMAGNETIC FIELD
Electromagnetic field
Electromagnetic field is a field representing the joint interaction of electric and magnetic field.
Electromagnetic field exerts force on charged […]

Physics SS 3 Week 8
Topic: MAGNETIC FIELD AROUND CURRENT CARRYING CONDUCTOR
MAGNETIC FIELDS
A magnetic field is a region of space where a north magnetic monopole experiences a force. The direction of the field […]

Biology SS 2, Third Term, Week 9
Topic:  Ecology Of Populations

Biology, SS 2, Third Term, Week 8

Topic: Grassland Or Savanna Habitats

Physics SS 3 Week 7
Topic: MAGNETIC FIELD
INTRODUCTION
Magnetic field has a region around a magnet in which the influence of the magnet can be felt or detected.
The area around a magnet in which it can […]

Physics SS 3 Week 6
Topic: ELECTRIC MEASUREMENT
RESISTIVITY
Resistivity: The resistance of a wire or material conductor maintained at a constant temperature is related to its length (l) and its cross-sectional […]

Physics, SS 3 Week 5

Topic: ELECTROLYSIS

Conduction Through liquids

Electrolysis is the process by which the movement of an electric current through a solution librates electrons. Chemicals in a container […]

Week 4
Topic: CURRENT ELECTRICITY
CURRENT ELECTRICITY
A continuous flow of charges is produced from primary and secondary cell.
a. Primary Cells
Primary cells are those from which current is produced as a […]

Physics, SS 3 Week 3
Topic: ELECTRIC FIELD
Coulombs Law
The electric force between two point charges is directly proportional to the magnitude of each charge (q1, q2), inversely proportional to square of the […]