Lesson Notes By Weeks and Term - Senior Secondary 1

Verification of Hooke's law

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  4. Verification of Hooke's law

Term: 3rd Term

Week: 2

Class: Senior Secondary School 1

Age: 15 years

Duration: 40 minutes of 5 periods each

Date:       

Subject:      Physics

Topic:-       Verification of Hooke’s law

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

  1. Carry out an experiment to verify Hooke’s law

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 reviews the previous lesson on the Young Modulus

Students pay attention

STEP 2

EXPLANATION

He lists the materials needed and outlines the procedures for the experiment

 

 

Students pay attention and participates

STEP 3

DEMONSTRATION

He carries out the experiment and states the observations

 

Students pay attention and participate

STEP 4

NOTE TAKING

The teacher writes a summarized note on the board

The students copy the note in their books

 

NOTE

MATERIALS REQUIRED -

A spring, a measuring ruler and weights(2kg, 5kg, 8kg and 10kg).

PROCEDURE -

  1. Hang a spring from a horizontal metal rod.
  2. Attach a mass hanger directly to the bottom of the hanging spring and record the position of the bottom of the mass hanger relative to a meter stick.
  3. Hang a weight from the spring and wait for it to come to rest.
  4. Record the final position of the mass hanger.
  5. Calculate increase in length and and note in the "Observation Table".
  6. Repeat the above steps with different weights.
  7. Plot a graph with your readings. Force applied (mass X gravity) vs Increase in length (Initial length - Final Length).

OBSERVATION TABLE

Weight

(in kg)

Displacement

(in cm)

2

1.6

5

4

8

6.4

10

8

GRAPH

 

EVALUATION:   1. What is the conclusion of the experiment

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively