Video Courses

Work | Definition, Formula & Examples

Newtons 2 and 3rd Laws and Net forces

Practice Test 04042025

Forces

Practice Test

Science Test 14032025

Science Reasoning Test

Science Reasoning Essay Question

Prac Report - Phototropism

Acids & Bases | Differences, Example & Characteristics

What Are Acids and Bases?

Acid-Base Neutralization Reactions | Overview & Examples

Acid and Bases Quiz

Science Practice Test

Rates of Reaction - Sodium thiosulfate (Na₂S₂O₃) reacts with hydrochloric acid (HCl)

Exploring Human Biodiversity: Understanding Genetic Traits and Inheritance

Structure of DNA

Exploring Human Biodiversity: Understanding Genetic Traits and Inheritance

Genetics - Quiz

What are Sound Waves?

What are Sound Waves Quiz

Amplitude | Overview, Properties & Examples

Science Practice Test

Diffuse Reflection | Definition, Examples & Application

Refraction & Dispersion: Definition, Snell's Law & Index of Refraction

Translucent, Transparent & Opaque | Transparent & Opaque Objects, Materials & Examples

Quiz - Reflection and Refraction

lectromagnetic Waves | Definition, Composition & Types

Electromagnetic Spectrum | Overview, Regions & Features

Types of Waves

Prerequisite Knowledge

Electromagnetic Radiation

Properties of Light Quiz

Frequency of Light | Overview & Color Spectrum

Science Practice Test

Reaction Types in Chemistry

Type of reactions

Balancing Chemical Equations

Naming Ionic Compounds

Nmaing Ionic Compounds Quiz

Naming Covalent Molecular Compounds

Chemical Formulas For Covalent Molecular Compounds

Chemical Formulas For Covalent Molecular Compounds Quiz

Monatomic Ions

Binary Ionic Compounds

Chemical Formula for Ionic Compound | Binary & Polyatomic

Polyatomic ions

Chemical Formula for Ionic Compound | Binary & Polyatomic

Chemical Formula for Ionic Compounds

Writing Chemical formulas

Metallic Bonds

Lattice Structure Metallic Bonds

Metals, Nonmetals, and Metalloids

Metallic Bonds - Quiz

Octet Rule

Chemical Bonds Ionic and Covalent

Types of Chemical Bonds: Ionic vs Covalent | Examples of Chemical Bonds

Ionic Compounds

Topic 1: Ionic Bonds

Covalent Bonds

Polar vs. Nonpolar Covalent Bonds

Chemical Bonds Ionic and Covalent - Quiz

Vocabulary

How Compounds and Molecules Are Built From Elements

Using Atoms and Ions to Determine Molecular Formulas

Ions and Their Role in Molecular Formulas

Writing Formulas for Ionic Compounds

Writing Formulas for Ionic Compounds - Quiz

Electron Configuration | Overview, Levels & Patterns

Table of Content

Introduction and Prerequists

Quantum Numbers on the Periodic Table | Definition & Overview

Lesson Content

Electron Configuration Rules

Exceptions to Electron Configuration Rules

Shorthand Electron Configuration Method

Electron Configuration - Quiz

Isotopes

Radio Active Isotopes

The Carbon-12 Isotope

The Periodic Tabel

The Atom - Quiz

Animal Cells and Plant Cells

Plant & Animal Cells | Differences & Similarities

Animal and Plant Cells Quiz

The Atom

Atomic Mass | Definition, Characteristics & Examples

Atomic Mass - Introduction

Atomic Mass - A comprehensive Look

Cell Membrane Structure and Function

Passive Transport

Passive Transport - Quiz

Active Transport

Active Transport - PDF

Active Transport in cells- Quiz

Cell Structure - Pre Test

Cell Structure

Cellular Organelles

Cell Structure - Multiple Choice Questions

Cell Structure - Essay Questions

Scientific Investigation | Overview, Steps & Examples

Scientific Method | Definition, Steps & Examples

Scientific Investigation | Overview, Steps & Examples

Scientific Investigation and Method - Quiz

CTJan27 Online JMSS Exam Prep - Science

About Course

Don Wickramasinghe

Course Instructor