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Grade 1 to 12 School MARIANO MARCOS MEMORIAL HIGH SCHOOL Grade Level Grade 7 DAILY LESSON LOG Date February 20, 2023 Learning Area SCIENCE Day (^) Monday Quarter 2 LP. No. Week 2_ Day 1 I. OBJECTIVES A. Content Standards The learners demonstrate an understanding of: The motion in one dimension. B. Performance Standards The learners shall be able to: To conduct a forum on mitigation and disaster risk reduction. C. Learning Competencies/ Objectives. (LC Code) Describe the motion of an object in terms of distance or displacement, speed or velocity and acceleration, (S7FE-IIIa- 1 ) II. CONTENT Describing Motion: SPEED and VELOCITY III. LEARNING RESOURCES A. References
- Teacher’s Guide pages
- Learner’s Materials pages Science 7
- Textbook pages
- Additional Materials from Learning Resource (LR) Portal
MELC
B. Other Learning Resources IV. PROCEDURES
MATERI
ALS
A. ELICIT (5mins)
RECALL :
RECALL :
Direction: Complete the following words based on the picture below F__ RC__ FORCE Visual Aids
D__P_AC_ME_T
Displacement D___AN_E Distance B. ENGAGE (5mins)
OBJECTIVES:
- Define the speed operationally
- Differentiate speed form velocity
- Describe motion in terms of speed and velocity; and
- Solve problem involving constant speed/constant velocity.
- Know the importance of the concept of speed and velocity reducing risk during disasters and possible accidents. MOTIVATION: ACTionary or PICtionary?
already at Casiguran, Aurora. It is expected to reach Cagayan Valley at 200 km, north within 8 hours. a. What is the average velocity of Typhoon Hannah from Casiguran, Aurora to Cagayan Valley? 8m Solution: Given: d= 200 km convert 2000 m, north t= 8 hours convert 28,800 sec v=? Formula : v=d/t V= 200 km, north/28,000 sec = 6.94 m/s, north b. Is this information important for the people in Cagayan Valley to know? Why or why not? D. EXPLAIN (5mins) Post Discussion
- How do you calculate the speed and displacement?
- How do you calculate the speed of average?
- What do you think is the importance of knowing what speed and velocity? (1) ELABORATE (10mins) Application
- How speed and velocity very helpful on mitigating different situations in our life such as accidents and natural disasters? Valuing Machine life Guide Question 1.What did you observe the picture Seismograph Seismometers allow us to detect and measure earthquakes by converting vibrations due to seismic waves into electrical signals, which we can then display as seismograms on a computer screen. Seismologists study earthquakes and can use this data to determine where and how big a particular earthquake is. And also after they measure the speed of vibration they can give
signals to every community to evacuate and give instructions to their places to save lives. Key Ideas: a. Speed- is a measure of how far an object moves in a given time. The speed of an object does not depend on direction in which it is travelling. b. Velocity- refers to the rate of change in displacement. Also, the velocity of an object is the speed and direction in which it is moving. (1) EVALUATE (5mins) Multiple Choice Direction: Choose the letter of the correct answer.
- A soccer ball takes 20 s to roll 10 m. What is the average speed of the soccer ball? a. 5 m/s b. 2 m/s c. 200 m/s d. 0.5 m/s
- When a car slows down at a traffic light, it is ____. a. accelerating b. traveling at constant velocity c. changing direction d. decreasing its displacement
- On a speed-time graph, a perfectly straight horizontal line shows the change in speed is ____. a. 0 b. 1 c. 10 d. – 10
- Which describes how velocity changes with time? a. inertia b. acceleration c. gravity d. average speed
- You hear that a storm is moving 15 km/h north. You have been given the storm's ____ a. average speed b. velocity c. constant speed d. acceleration
