Grade 7 Science Module: The Waves

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.

Hello! How are you? You should be able to realize that understanding many natural phenomena, entails understanding the concept of waves? For instance, the occurrence of earthquakes, in engineering, skyscrapers and bridges and in how radios and televisions work. In order to understand all of these, concepts about the origin, nature and propagation of waves have to be examined.

Most Essential Learning Competency:

  • Infer that waves carry energy.

After going through this module, you are expected to:

  • classify waves as either transverse or longitudinal and mechanical or electromagnetic;
  • draw and identify parts of transverse and longitudinal waves, and
  • relate the importance of understanding the concept of waves to real life situations.

Grade 7 Science Quarter 3 Self-Learning Module: The Waves


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