Grade 7 Science Module: Behind the Length of Daytime is the Tilt of the Earth’s Axis

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? Do you know why the length of daytime varies from place to place and varies from day to day? Data show that other countries experience longer days while some have shorter length of daytime. What might have caused this phenomenon? What do you think determines the length of daytime? In order to explain this phenomenon on Earth, it is important to understand the concept about the tilt of the Earth’s axis.

Most Essential Learning Competency:

  • Using Models, relate the tilt of the Earth’s axis to the length of daytime.

After going through this module, you are expected to:

1. explain how the tilt of the Earth’s axis affects the length of daytime;

2. draw a visual representation to describe the effect of tilt of the Earth’s axis to the length of daytime; and

3. relate the importance of the tilt of the Earth’s axis to real life situations.

Grade 7 Science Quarter 4 Self-Learning Module: Behind the Length of Daytime is the Tilt of the Earth’s Axis


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