# Grade 7 Science Module: Be in Charge! Be Electrifying! (Charging by Friction & Induction)

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.

Hi! Have a great day! Welcome to the nature of Physics, wherein you will learn the nature of electricity around us. Do you know the energy needed to operate your appliances, gadgets and other machines? Yes, electricity is the main reason why those things are functional.

Electricity is a form of energy we encounter in everyday life. Lightning is an example of static electricity in nature. Light is often produced when an electric current passes through a gas. We see burst of light in the line sparks of static electricity or lightning. We are grateful and lucky enough that this kind of energy is present and available to humans for without it, most of the devices that we use today would be useless. In this module, you will learn the different types of charging processes. You will also study how objects can be charged. The field of science which deals with the characteristics and interactions of charges which are not moving is electrostatics. Knowing this lesson is very essential in your future use especially in understanding how electricity functions.

Most Essential Learning Competency:

1. Describe the different types of charging processes.

This module is divided into two lessons, specifically:

• Lesson 1: Charging by Friction
• Lesson 2: Charging by Induction

After going through this module, you are expected to:

1. describe Electricity using charges;

2. describe the different kinds of charging processes; and

3. differentiate the types of charging processes.

## Grade 7 Science Quarter 3 Self-Learning Module: Be in Charge! Be Electrifying! (Charging by Friction & Induction)

SCI7-Q3-MODULE7.1

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