Matrix of Curriculum Standards (Competencies), with Corresponding Recommended Flexible Learning Delivery Mode and Materials per Grading Period GRADE 8 SCIENCE Week of the Quarter/ Grading Period Learning competencies Grade 8 Science 1st Q/ Week 1 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 Infer that when a body exerts a force on another, an equal amount of force is exerted back on it 1st Q/ Week 2 1st Q/ Week 3 1st Q/ Week 4 1st Q/ Week 5 1st Q/ Week 6 1st Q/ Week 7 Demonstrate how a body responds to changes in motion Relate the laws of motion to bodies in uniform circular motion Identify situations in which work is done and in which no work is done Describe how work is related to power and energy Differentiate potential and kinetic energy Relate speed and position of object to the amount of energy possessed by a body infer how the movement of particles of an object affects the speed of sound through it Investigates the effect of temperature to speed of sound through fair testing Demonstrate the existence of the color components of visible light using a prism or diffraction grating Explain the hierarchy of colors in relation to energy Differentiate between heat and temperature at the molecular level Lesson Exemplar/ Learning resources available LR developer Link (if available online) https://www.youtube.com/watch?v=uTvCnHlzdFI https://www.youtube.com/watch?v=tL8ugCAz07g https://www.youtube.com/watch?v=tL8ugCAz07g https://www.youtube.com/watch?v=qc0tFCm8IsA Assessment (provide a link if online) Week of the Quarter/ Grading Period Learning competencies Grade 8 Science 1st Q/ Week 8 1st Q/ Week 9 Infer the relationship between current and voltage (instead of charge) Explain the advantages and disadvantages of series and parallel connections in homes Differentiate electrical power and electrical energy Explain the functions of circuit breakers, fuses, earthing, double insulation, and other safety devices in the home Using models or illustrations, explain how movements along faults generate earthquakes Differentiate the 1 epicenter of an earthquake from its focus; 2 intensity of an earthquake from its magnitude; 3 active and inactive faults Demonstrate how underwater earthquakes generate tsunamis Explain how earthquake waves provide information about the interior of the earth 1st Q/ Week 10 2nd Q/ Week 1 2nd Q/ Week 12 2nd Q/ Week 2 2nd Q/ Week 3 2nd Q/ Week 4 2nd Q/ Week 5 2nd Q/ Week 6 2nd Q/ Week 78 2nd Q/ Week 89 Explain how typhoons develop Explain how landmasses and bodies of water affect typhoons Trace the path of typhoons that enter the Philippine Area of Responsibility (PAR) using a map and tracking data Compare and contrast comets, meteors, and asteroids Explain the regular occurrence of meteor showers Lesson Exemplar/ Learning resources available LR developer Link (if available online) Assessment (provide a link if online) Week of the Quarter/ Grading Period Learning competencies Grade 8 Science 3rd Q/ Week 12 3rd Q/ Week 34 3rd Q/ Week 56 3rd Q/ Week 78 3rd Q/ Week 910 4th Q/ Week 1 4th Q/ Week 2 Explain the properties of solids, liquids, and gases based on the particle nature of matter Explain physical changes in terms of the arrangement and motion of atoms and molecules Determine the number of protons, neutrons, and electrons in a particular atom Trace the development of the periodic table from observations based on similarities in properties of elements 4th Q/ Week 3 4th Q/ Week 4 4th Q/ Week 5 4th Q/ Week 6 4th Q/ Week 7 4th Q/ Week 8 Use the periodic table to predict the chemical behavior of an element Explain ingestion, absorption, assimilation, and excretion Explain how diseases of the digestive system are prevented, detected, and treated Compare mitosis and meiosis, and their role in the cell-division cycle Explain the significance of meiosis in maintaining the chromosome number Predict phenotypic expressions of traits following simple patterns of inheritance Explain the concept of a species Classify organisms using the hierarchical taxonomic system Explain the advantage of high biodiversity in maintaining the stability of an ecosystem Describe the transfer of energy through the trophic levels Analyze the roles of organisms in the cycling of materials Lesson Exemplar/ Learning resources available LR developer Link (if available online) Assessment (provide a link if online) Week of the Quarter/ Grading Period 4th Q/ Week 9 4th Q/ Week 10 Learning competencies Grade 8 Science Explain how materials cycle in an ecosystem Suggest ways to minimize human impact on the environment Lesson Exemplar/ Learning resources available LR developer Link (if available online) Assessment (provide a link if online)
