Grade 4 Science Module: Properties and Characteristics of Light and Sound

This Self-Learning Module (SLM) is prepared so that you, our dear learners, can continue your studies and learn while at home. Activities, questions, directions, exercises, and discussions are carefully stated for you to understand each lesson.

Each SLM is composed of different parts. Each part shall guide you step-by-step as you discover and understand the lesson prepared for you.

Pre-tests are provided to measure your prior knowledge on lessons in each SLM. This will tell you if you need to proceed on completing this module or if you need to ask your facilitator or your teacher’s assistance for better understanding of the lesson. At the end of each module, you need to answer the post-test to self-check your learning. Answer keys are provided for each activity and test. We trust that you will be honest in using these.

Please use this module with care. Do not put unnecessary marks on any part of this SLM. Use a separate sheet of paper in answering the exercises and tests. And read the instructions carefully before performing each task.

In your past lesson, you have learned that light and sound are forms of energy which have different properties and characteristics. Sound and light are similar in the sense that both travel in waves. There are lots of sounds in everyday life and each sound has certain characteristics that make it unique. On the other hand, light is all around us. Without it, we will be in total darkness because light wave is generally associated with color and brightness. Just like sound, light has different properties and it is important that we know them to make our lives even better.

The lesson will focus on:

  • Lesson 1- Properties of Light
  • Lesson 2- Properties and Characteristics of Sound

After going through this module, you are expected to be able to:

1. identify transparent, translucent and opaque materials;

2. describe what happens when light hits an opaque and transparent material;

3. investigate how sound is produced;

4. describe how loud and soft sounds are produced;

5. infer that sound could be reflected in a form of echo; and

6. describe through various activities that sound can be reflected in the form of echo.

Grade 4 Science Quarter 3 Self-Learning Module: Properties and Characteristics of Light and Sound


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