JSS 3 SECOND TERM BASIC TECH
WEEK 6
Topic: SOLDERING AND BRAZING
Content:

Definition of soldering and brazing
Metal joining

INTRODUCTION
There are four major ways of joining metal pieces together. […]

Chemistry SS 2  Third Term
Week 1

Topic: Water 
Content 

Sources of Water
Types of Water
Water Pollution
Uses of Water

Introduction
We live on a planet that is dominated by water. More th […]

JSS 3  BASIC TECH SECOND TERM Week 3

Topic: SIMPLE WOODWORK PROJECTS
INTRODUCTION

Wood can used to fabricate many items that are used in homes, offices and industries. There are certain operations that […]

SS3 Physics Third Term
Week 9
Topic: WAVE NATURE OF MATTER
Electron Diffraction
The wave nature of X-rays was established by X-ray diffraction experiments. In the same way the Davisson and Germer experiment […]

Chemistry SS2 Third Term
Week 3

Topic: Solubility

Chemistry SS 2 Third Term
Week 2

Topic: Water 
Contents

Structure of Water
Causes and Removal of Hardness of Water
Water Purification
Distilled Water

Introduction 

Chemistry SS2 Second Term
Week 10

Topic: Compounds of Sulphur
Hydrogen Sulphide (H2S)

Chemistry SS 2 Second Term
Week 9

Topic: Sulphur
Introduction

Chemistry SS 2 Second Term
Week 7

Topic: Nitrogen Family
Introduction

Chemistry SS 2 Second Term
Week 6

Topic: Halogens
Introduction

Chemistry SS 2 Second Term
Week 5

Topic: Oxygen and Its Compound
Introduction

Chemistry SS2 Second Term
Week 4

Topic: Hydrogen
Introduction

Chemistry SS 2 Second Term
Week 3

Topic: Chemical Equilibrium
Introduction

Physics SS3 Week 8
Topic: CONDUCTION OF ELECTRICITY IN GASES
INTRODUCTION
Electrons: When a high tension discharge passes between electrodes sealed into a partially evacuated vessel, the gas becomes luminous s […]

 Physics SS 3 Week 7
Topic: PHOTOELECTRIC EFFECT
INTRODUCTION
In 1887, photoelectric effect was invented by the scientist H. Hertz. When we passing a light into a material, the material should emit an […]

Physics SS 3 Week 6
Topic: QUANTUM
 INTRODUCTION
Some of the important postulates of the Bohr’s model of the atom were that the electrons moved around the nucleus in specified orbits. In these orbits they ca […]

Physics SS 3 Week 4
Topic: RADIOACTIVITY
RADIOACTIVITY
Radioactivity refers to the particles which are emitted from nuclei as a result of nuclear instability. Because the nucleus experiences the intense […]

Physics SS 2 Week 5
Topic: Transformation of Elements
Transformation of Elements
There are two types of radioactivity – natural and artificial radioactivity.
The phenomenon of radioactivity was first d […]

Chemistry SS 2 Second Term
Week 8

Topic: Compound of Nitrogen (Ammonia)
Introduction

Physics SS3 Week 3
Topic: MODEL OF ATOMS
Thompson Rutherford Model
Modern atomic theory provides a reasonably satisfactory explanation of the properties of matter, the mechanisms of chemical change and the […]