Lesson Plan of Solution

“Solution”- Complete Lesson Plan of Class 9th

This article contains complete lesson plan of Solution of Class IX NCERT following CBSE board.

Pdf of this article is also available in complete tabular form

General Aims

  1. To develop interest of students in physical science.
  2. To develop an inquiry spirit in the students.
  3. To help students to see the physical science in relation to the rest of the culture.
  4. To develop interest in questioning.
  5. To develop critical thinking and scientific attitude.
  6. To develop supervisory ability in students.
  7. To develop problem solving skills in students.
  8. To make the students aware about inventions in the field of physical science and acquaint them with the knowledge of different streams of physical science.

Specific Aims

  • Students will be able to define solution.
  • Students will be able to explain components of solution.
  • Students will be able prepare some solutions.

Teaching Aids

Chart, Roller board, pointer and other useful classroom equipments.

Previous Knowledge

Students are already aware about the homogeneous mixtures.

Introductory Questions

PUPIL-TEACHER ACTIVITY

STUDENT’s RESPONSE

Q1. Name some food items obtained from animals?

Milk, egg

Q2. What are the constituents of the milk?

protein, water, etc.

Q3. Name the common term used for such liquids in chemistry.

Solution

Statement of Aim

So, today we are going to study the topic ‘Solution’.

Presentation

Teaching point 1: Definition of Solution
  • A solution is a homogeneous mixture of two or more substances.
  • In solution, there is homogeneity at the particle level.
  • Solution is not only liquid that contains solid, liquid or gas dissolved in it but we can also have solid solution (alloys) and gaseous solution (air).
Teaching point 2: Components of Solution
  1. Solvent
  • The component of solution that dissolves the other component in it is called solvent.
  • Solvent is usually the component present in larger amount.

2. Solute

  • The component of the solution that is dissolved in the solvent is called solute.
  • Solute is usually present in lesser quantity in a solution.

Example– A solution of sugar in water is a solid in liquid solution. Here, sugar is the solute and water is the solvent.

Teaching point 3: Properties of Solution
  • A solution is a homogeneous
  • The particles of a solution are very small and cannot be seen with the naked eyes.
  • Due to the small particle size, they do not scatter a beam of light passing through the solution.
  • The solute particles cannot be separated from the mixture by filtration process.

Blackboard Summary

  • A solution is a homogeneous mixture.
  • A solution has two components- solvent and solute.
  • Usually larger complaint of solution is a solvent.
  • Solute is usually present in lesser quantity in a solution.
  • Particles of solution are not visible to naked eyes.
  • Solution does not scatter a beam of light passing through it.

Classroom Supervision

Pupil-teacher will supervise the problems of the students and solve it.

Evaluation Question

Q1. A solution is a _________ mixture.

Q2. What are the two components of solution~

Q3. In a solution of sugar and water, sugar is

  1. Solute
  2. Solvent

Q4. Particles of solution can be easily visible to naked eyes. (True/False)

Q5. Path of light is not visible in a solution. (True/False)

Home-work

Q1. Define solution and write down components of solution.

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