Republic of the Philippines Department of Education REGION III-CENTRAL LUZON SCHOOLS DIVISION OFFICE OF OLONGAPO CITY DISTRICT V-A GORDON HEIGHTS NATIONAL HIGH SCHOOL Olongapo City Daily Lesson Log Grades 1 to 12 TEACHER Grade Area Teaching Date ROXANNE B. REQUILLAS GRADE 8 SEPTEMBER 5-9, 2022 Learning Area Quarter Teaching Time/Section SESSION 2 SESSION 3 SCIENCE FIRST SPA12:45-1:45, CEBU 1:45-2:45 MANILA 3:00-4:00, BATANES 4:00-5:00, ZAMBALES 5:00-6:00 Teaching Date I. Objectives SESSION 1 A. Content Standards B. Performance Standards C. Learning Competencies II. A. Content The learners demonstrate a understanding of: The learners demonstrate a understanding of: The learners demonstrate a understanding of: Newton’s three laws of motion and uniform circular motion Newton’s three laws of motion and uniform circular motion Newton’s three laws of motion and uniform circular motion The learners shall be able to: Develop a written plan and implement a “Newton’s Olympics” The learners shall be able to: Investigate the relationship between the amount of force applied and the mass of the object to the amount of change in the object’s motion The learners shall be able to: Develop a written plan and implement a “Newton’s Olympics” The learners shall be able to: Investigate the relationship between the amount of force applied and the mass of the object to the amount of change in the object’s motion Newton’s Law of Motion 1. Forces and Motion 2. Balanced and Unbalanced Forces 3. Law of Inertia 1. Force is a vector quantity that causes acceleration (when unbalanced) – a change in the state of motion of the object. The learners shall be able to: Develop a written plan and implement a “Newton’s Olympics” The learners shall be able to: Investigate the relationship between the amount of force applied and the mass of the object to the amount of change in the object’s motion Newton’s Law of Motion 1. Forces and Motion 2. Balanced and Unbalanced Forces 3. Law of Inertia 1. Force is a vector quantity that causes acceleration (when unbalanced) – a change in the state of motion of the object. Grade 8 Teachers Guide, First Quarter pp. 7-8 Grade 8 Teachers Guide, First Quarter pp. 7-8 Force Motion and Energy SESSION 4 The learners demonstrate a understanding of: Newton’s three laws of motion and uniform circular motion The learners shall be able to: Develop a written plan and implement a “Newton’s Olympics” The learners shall be able to: Investigate the relationship between the amount of force applied and the mass of the object to the amount of change in the object’s motion Newton’s Law of Motion 1. Law of Acceleration Newton’s Second Law states that the acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to the mass of the object. III. Learning Resources Reference 1. TG Page Grade 8 Teachers Guide, First Quarter pp. 7-8 Address: Keith Street, Gordon Heights, Olongapo City, Zambales Contact No.: (047) 222-5555 Email Address: 301053@deped.gov.ph “SDO Olongapo City: Towards a Culture of Excellence” Grade 8 Teachers Guide, First Quarter pp. 7-8 Republic of the Philippines Department of Education REGION III-CENTRAL LUZON SCHOOLS DIVISION OFFICE OF OLONGAPO CITY DISTRICT V-A GORDON HEIGHTS NATIONAL HIGH SCHOOL Olongapo City 2. LM Page 3. 4. B. A. B. TB Page Additional Materials Other Learning Resources IV. Procedures Reviewing previous lesson or presenting new lesson Grade 8 Learners Module, First Quarter pp. 3-20 Grade 8 Learners Module, First Quarter pp. 3-20 Grade 8 Learners Module, First Quarter pp. 3-20 Grade 8 Learners Module, First Quarter pp. 3-20 Teacher Modified Activity Teacher Modified Activity Teacher Modified Activity Teacher Modified Activity Present the following statement in class and ask the learners if they agree or disagree with them. 1. force is needed to stop an object 2. force always results to motion 3. Force can act even at a distance Analyze the pictures (to be presented on the board, printed pictures) SHOW: Use the Venn diagram to compare and contrast balanced and unbalanced forces. SHOW: Use the Venn diagram to compare and contrast balanced and unbalanced forces. Mention the important concepts discussed during the previous lessons giving focus on Balanced and unbalanced forces and its relationship with Newton’s Law of Inertia. Let the students analyze each picture and determine what will happen. Have them perform what is asked? Circle the highlighted words as the best answer. Let the students analyze each picture and determine what will happen. Have them perform what is asked? Circle the highlighted words as the best answer. Show a picture of loaded grocery carts. Ask the participants how to determine which among those carts is the heaviest without weighing the contents of each cart. Which cart requires a greater force to move it? Establishing a purpose for the lesson Address: Keith Street, Gordon Heights, Olongapo City, Zambales Contact No.: (047) 222-5555 Email Address: 301053@deped.gov.ph “SDO Olongapo City: Towards a Culture of Excellence” Republic of the Philippines Department of Education REGION III-CENTRAL LUZON SCHOOLS DIVISION OFFICE OF OLONGAPO CITY DISTRICT V-A GORDON HEIGHTS NATIONAL HIGH SCHOOL Olongapo City C. Presenting examples Ask the learners what have they observed on the picture presented D. Discussing new concepts and practicing new skills #1 Leaners will perform activity: Forces on object at rest E. Teacher’s demonstration: The teacher will place a ball or any object on top of a table and ask: a. will this object move by itself? Discussing new concepts and practicing new skills #2 1. The forces shown above are Pushing/Pulling forces. 2. The forces shown above are Working together/Opposite Forces 3. The forces are Equal/Not Equal 4. The forces are Balance/Unbalanced. 5. There Is/No motion Ask students: What would likely to happen when you are in a moving car and the brakes are applied all of a sudden? 1. The forces shown above are Pushing/Pulling forces. 2. The forces shown above are Working together/Opposite Forces 3. The forces are Equal/Not Equal 4. The forces are Balance/Unbalanced. 5. There Is/No motion Ask students: What would likely to happen when you are in a moving car and the brakes are applied all of a sudden? Investigating inertia Coin Drop 1. Arrange the setup as shown in Figure 7. 2. Slowly pull the cardboard with your hand and observe what happens. 3. Arrange again the setup as shown. This time, quickly flick the cardboard with your finger. Observe again what happens. Stack of Coins 4. Stack the coins on a flat level surface. 5. Quickly hit the coin at the bottom with the edge of the ruler. Guide Questions: Q1. What happens when you slowly pulled the cardboard? Explain. Q2. What happens when you flicked the cardboard? Explain. Discuss Newton’s First Law. Give a background about Inertia and the factors affecting inertia Investigating inertia Coin Drop 1. Arrange the setup as shown in Figure 7. 2. Slowly pull the cardboard with your hand and observe what happens. 3. Arrange again the setup as shown. This time, quickly flick the cardboard with your finger. Observe again what happens. Stack of Coins 4. Stack the coins on a flat level surface. 5. Quickly hit the coin at the bottom with the edge of the ruler. Guide Questions: Q1. What happens when you slowly pulled the cardboard? Explain. Q2. What happens when you flicked the cardboard? Explain. Activity 1: Picture Analysis 5. Why is football accelerates than bowling ball? 5. Why is football accelerates than bowling ball? 5. Why is football accelerates than bowling ball? Discuss Newton’s First Law. Give a background about Inertia and the factors affecting inertia ACTIVITY: RELATIONSHIP GOALS 1. Consider the following tables of force, mass and acceleration. Complete each of them and answer the corresponding questions Address: Keith Street, Gordon Heights, Olongapo City, Zambales Contact No.: (047) 222-5555 Email Address: 301053@deped.gov.ph “SDO Olongapo City: Towards a Culture of Excellence” Show the two pictures in class and let the students analyze and tell the relationship drawn from the pictures. Republic of the Philippines Department of Education REGION III-CENTRAL LUZON SCHOOLS DIVISION OFFICE OF OLONGAPO CITY DISTRICT V-A GORDON HEIGHTS NATIONAL HIGH SCHOOL Olongapo City b. while it is moving, how can we make the object stop? c. How can we make it change its direction? Discussion on Forces and Motion F. Discussion on Laws of Motion Developing mastery Address: Keith Street, Gordon Heights, Olongapo City, Zambales Contact No.: (047) 222-5555 Email Address: 301053@deped.gov.ph “SDO Olongapo City: Towards a Culture of Excellence” Discussion on Laws of Motion ANALYSIS I. CONSTANT FORCE, VARYING MASS AND ACCELERATION 1. If you double the mass, what happens to the acceleration? If the acceleration is reduced to ¼ of the original. What is the corresponding change in mass? 2. How does the mass vary with acceleration at constant force? II. CONSTANT MASS, VARYING FORCE AND ACCELERATION 1. If you double the force, what happens to the acceleration? If you increase the acceleration, how does the force change? 2. How does force vary with acceleration at constant mass? III. CONSTANT ACCELERATION, VARYING FORCE AND MASS 1. If you double the mass, how does the force change? If the mass is reduced, what is the corresponding change in force? 2. How is force related to mass at constant acceleration G. Developing mastery (leads to Formative Assessment 3)-EXPLAIN Have students Ask the following questions: Do you have the same results as the other groups? If not, what do you think is different from what you did and what you found out? How can Republic of the Philippines Department of Education REGION III-CENTRAL LUZON SCHOOLS DIVISION OFFICE OF OLONGAPO CITY DISTRICT V-A GORDON HEIGHTS NATIONAL HIGH SCHOOL Olongapo City G. Finding practical applications of concepts and skills in daily living H. I. J. A. B. Since friction is a resistance force that slows down or prevent motion, there are advantages that friction may do: a. walking b. writing c. running vehicles Why it is important to wear seatbelt? Why it is important to wear seatbelt? What is force? What is motion? Differentiate balanced and unbalanced force State the Newton’s First Law of Motion: An object at rest tends to stay at rest and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Discuss the answers to the following questions: Do forces always result in motion? What are the conditions for an object to stay at rest, to keep moving at constant velocity, or to move with increasing velocity? How is force related to acceleration? How do forces affect the motion of an object? How do forces affect the motion of an object? Short Quiz What is the relationship of mass and acceleration? State the Law of Acceleration. State the Newton’s First Law of Motion: An object at rest tends to stay at rest and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Discuss the answers to the following questions: Do forces always result in motion? What are the conditions for an object to stay at rest, to keep moving at constant velocity, or to move with increasing velocity? How is force related to acceleration? How do forces affect the motion of an object? How do forces affect the motion of an object? Discuss Newton’s Second Law. Give emphasis on the relationship between acceleration and force (provided that mass is held constant), acceleration and mass (provided that force applied is held constant) and Force and Mass (provided that acceleration is held constant. Short Quiz What is the relationship acceleration? State the Law of Acceleration. Short Quiz 1. State Newton’s third law of motion and cite examples that show such law. 2. Why do action and reaction forces do not cancel each other? How do forces affect the motion of an object? Making generalization Evaluating learning Additional activities for application you relate Newton’s Second Law with the activity? How will you make the cart loaded with groceries equal to the acceleration of the empty cart? Short Quiz Ask learners to write situation/examples where the presence of forces are beneficial V. Remarks VI. Reflection No. of learners who earned 80% in the evaluation No. of learners who require additional activities for Address: Keith Street, Gordon Heights, Olongapo City, Zambales Contact No.: (047) 222-5555 Email Address: 301053@deped.gov.ph “SDO Olongapo City: Towards a Culture of Excellence” of mass and Force is measured in Newton’s (kg. m/s2) Mass in kilograms (kg) and acceleration in meters per second squared (m/s2). Republic of the Philippines Department of Education REGION III-CENTRAL LUZON SCHOOLS DIVISION OFFICE OF OLONGAPO CITY DISTRICT V-A GORDON HEIGHTS NATIONAL HIGH SCHOOL Olongapo City remediation who scored below 80% C. Did the remediation lessons work? No. of learners who have caught up with the lesson D. No. of learners who continue to require remediation E. Which of my teaching strategies worked well? Why did these work? F. What difficulties did I encounter which my principal/supervisor can help me solve? G. What innovation/localized materials did I use/discover which I wish to share with other teachers? Prepared and Submitted by: ROXANNE B. REQUILLAS Teacher I Checked by PRINCESS RUHAMA P. BUCASAS Head Teacher Address: Keith Street, Gordon Heights, Olongapo City, Zambales Contact No.: (047) 222-5555 Email Address: 301053@deped.gov.ph “SDO Olongapo City: Towards a Culture of Excellence” Republic of the Philippines Department of Education REGION III-CENTRAL LUZON SCHOOLS DIVISION OFFICE OF OLONGAPO CITY DISTRICT V-A GORDON HEIGHTS NATIONAL HIGH SCHOOL Olongapo City Address: Keith Street, Gordon Heights, Olongapo City, Zambales Contact No.: (047) 222-5555 Email Address: 301053@deped.gov.ph “SDO Olongapo City: Towards a Culture of Excellence”
