Lessons

YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY- WEEK 1 INTRODUCTION TO CHEMISTRY Lesson 1

Author: Mary Okoh

 CHEMISTRY INTRODUCTION TO CHEMISTRY CHEMISTRY AS A SCIENCE SUBJECT Science is an organized body of knowledge gathered through systematic experimentations and philosophical observations. Chemistry can be defined as a branch of science which deals with the study of the nature, structure, composition, properties and uses of all forms of matter and the changes in structure ….  Read More

YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY- WEEK 1 INTRODUCTION TO CHEMISTRY Lesson 2

Author: Mary Okoh

CHEMISTRY INTRODUCTION TO CHEMISTRY APPLICATIONS OF CHEMISTRY Chemistry is applied in our everyday life as different activities take place in the environment. The effect of chemistry is felt in different aspects of life such as cooking, washing with soaps or detergent, digestion of food, drugs etc. Other applications of chemistry include health care, transportation, food, ….  Read More

YHWH HAMASCHIAC SCHOOL CHRISTMAS/FIRST TERM 2021- 2022 SESSION SSS1 CHEMISTRY -NATURE OF MATTER- LESSON 4

Author: Mary Okoh

CHEMISTRY NATURE OF MATTER TYPES OF CHANGES                    Whenever a given substance is heated, its state changes. There are two types of changes: physical and chemical.   PHYSICAL CHANGE: A physical change is a change which is easily reversible and in which no new substances are formed. Examples are: Dissolution of common salt Changes in states ….  Read More

YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, SCHEME OF WORK. 2021/2022 Academic Year.

Author: Mary Okoh

CHEMISTRY SCHEME OF WORK WEEK           TOPIC Revision/Introduction to the mole concept: Molar volume of gases, Avogadro’s number, Percentage of element in a compound. Writing and Balancing Chemical Equations. 2-3.  Stoichiometry of Reactions: Calculation of Masses of Reactants and Products, Calculation of Volume of Reacting Gases. Empirical and Molecular formulae. 4-5.   Chemical Laws and their Verification: ….  Read More

YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, Lesson 3, Percentage composition of an element in a compound. 2021/2022 Academic Year.

Length: 0 minutesAuthor: Mary Okoh

CHEMISTRY  PERCENTAGE COMPOSITION OF AN ELEMENT IN A COMPOUND PERCENTAGE OF AN ELEMENT IN A COMPOUND The percentage composition of an atom in a compound is the amount of the atom expressed in percentage. Percentage of an element in a compound = Mass of element in the compound x 100 Molar mass of compound 1 ….  Read More

YHWH HAMASCHIAC School, 2nd/ Resurrection Day (Easter) Term, SSS1 Chemistry, Lesson 3, Writing and Balancing Chemical equations 2021/2022 Academic Year.

Length: 0 minutesAuthor: Mary Okoh

CHEMISTRY WRITNG AND BALANCING CHEMICAL EQUATIONS Chemical equations are representation of chemical reactions in terms of the symbols and formulae of the elements and compounds involved. In a chemical equation, the reactants are always written on the left hand side while the products are written on the right hand side. For instance, if A and ….  Read More