MODULE 2 DESCRIPTION

Dear learner,

Welcome to  Grade 9 Physics Module!

Building on the concepts from Module 1, this second module covers the last three units of the Grade 9 physics curriculum:

Unit 5: Simple Machines

You will explore the principles and applications of simple machines such as levers, pulleys, and inclined planes. You will learn about mechanical advantage, efficiency, and the real-world applications of these machines.

Unit 6: Mechanical Oscillations and Sound Waves

This unit delves into the concepts of oscillatory motion, covering topics such as simple harmonic motion, pendulums, and wave properties. You will also study the nature and characteristics of sound waves, including frequency, amplitude, and the speed of sound in different media.

Unit 7: Temperature and Thermometry

You will learn about the concepts of temperature, heat, and thermal energy. This unit covers different temperature scales (Celsius, Fahrenheit, Kelvin), methods of measuring temperature, and the principles behind thermometers and thermal expansion.

Through these units, you will gain a deeper understanding of the physical principles that govern everyday phenomena. As with Module 1, this module combines theoretical knowledge with practical examples to enhance your learning experience and prepare you for further studies in physics.

Remember, online learning requires self-discipline and active engagement. Take advantage of the resources and support available to you, and don’t hesitate to reach out to your instructors for guidance and assistance.

MODULE OBJECTIVES

Up the successful completion of this module, you will be able to;

• define simple machines;
• identify simple machines as a force multipliers, distance multipliers or
  direction changers;
• list different simple machines in your locality.
• understand the oscillation of strings, pendulum, and a spring-mass system;
• know the propagation of different types of waves;
• distinguish between different types of waves;
• estimate the speed of sound in different media and at different temperature.
• understand temperature and different temperature scales;
• construct your own temperature scale;
• develop experience of using different thermometers.

MODULE CONTENT

Unit 5: Simple Machines

Lesson 1: Simple Machines and their Purposes

Lesson 2: Simple Machines at Home and Simple Machines at Work Place

Lesson 3: Classification of Simple Machines

Lesson 4: Mechanical Advantage, Velocity Ratio, and Efficiency of Simple Machine, and Designing Simple Machine.

Unit 6: Mechanical Oscillation and Sound Wave

Lesson 1: Common Characteristics of Waves

Lesson 2: String, Pendulum and Spring

Lesson 3: Propagation of Waves and Energy Transmission and Sound Waves

Lesson 4: Superposition of Waves And Characteristics of Sound Wave

Unit 7: Temperature and Thermometry

Lesson 1: Temperature and Our Life, Extreme Temperature Safety, and Temperature Change and its Effects

Lesson 2: Measuring Temperature with Different Thermometric Scales and Types of Thermometers and Their Use

Lesson 3: Conversion between Temperature Scales and Thermal Expansion of Materials

MODULE ASSESSMENT METHOD 

• Quizzes, Tests and assignments 
•  Mid-term exam
•   Final exam

REQUIRED TEXT BOOK AND MATERIALS

• Physics Grade 9 Student Text Book Based On New Curriculum
• Extreme Physics For Grade 9-10
• Power physics 9-10
• Galaxy Physics For Grade 9-10
• Internet Search

Instructor Information

• Name: Sofonyas Debebe
• Email: sofonyasdebebe@gmail.com
• Phone No: +251940719352