Basic Electricity - Senior Secondary 1 - Structure of matter

Structure of matter

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TERM: 1ST TERM

WEEK THREE

Class: Senior Secondary School 1

Age: 15 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC ELECTRICITY

Topic: STRUCTURE OF MATTER

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

I.) Define matter

II.) Describe the structure of matter

III.) Discuss the components of matter

IV.) Describe an atom

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S

ACTIVITY

STEP 1

INTRODUCTION

The teacher explains the meaning of matter and describe the structure of matter

Students listens attentively to the teacher                                                                          

STEP 2

EXPLANATION

Teacher identify and discuss the components of matter.

Teacher discusses an atom and it's structure

Students exhibit attentiveness and active engagement

STEP 3

NOTE TAKING

The teacher writes a summarized

note on the board

The students

copy the note in

their books

 

NOTE

STRUCTURE OF MATTER

Matter refers to anything that occupies space and has mass. It's the substance that makes up everything around us, including solids, liquids, and gases. Examples of matter include solid objects like wood and metal, liquids such as water and oil, and gases like oxygen and carbon dioxide. Essentially, anything you can touch, see, or feel is made up of matter.

The structure of matter involves atoms as the fundamental units. Atoms comprise a nucleus containing protons and neutrons, with electrons orbiting around the nucleus in shells or energy levels.

Components of matter

  1. Atom: An atom is the smallest unit of a chemical element, consisting of a nucleus surrounded by one or more electrons. The nucleus contains positively charged protons and neutral neutrons, while the electrons orbit the nucleus in distinct energy levels or shells.
  2. Molecule: A molecule is a group of two or more atoms bonded together. These atoms can be of the same element, forming a molecule of an element, or different elements, forming a compound. Molecules are the smallest units of compounds and retain the chemical properties of the substances they compose.
  3. Element: An element is a substance composed of only one type of atom. Each element is represented by a unique chemical symbol, such as "H" for hydrogen or "O" for oxygen. Elements cannot be broken down into simpler substances by chemical means and retain their characteristic properties.
  4. Compound: A compound is a substance composed of two or more different types of atoms chemically bonded together. Compounds have distinct chemical and physical properties that differ from those of their constituent elements. Examples include water (H2O) and carbon dioxide (CO2).

Structure of an atom

The structure of an atom involves a nucleus at its center, containing positively charged protons and neutral neutrons. Negatively charged electrons orbit the nucleus in distinct energy levels or shells, much like planets orbiting the sun. The nucleus provides most of the mass of an atom, while the electrons contribute to its size and chemical behavior.

EVALUATION: 1. What is matter?

  1. Identify and describe 5 components of matter
  2. Describe an atom

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively