Republic of the Philippines
Region IX, Zamboanga Peninsula
Department of Education
Division of ZamboangaSibugay
BUDGET OF WORK
SCIENCE
Grade Level: 8
Quarter: FOURTH
Content standard: The learners demonstrate an understanding of the digestive system and its interaction with the
circulatory, respiratory, and excretory systems in providing the body with nutrients for energy.
Performance standard: The learners should be able to present an analysis of the data gathered on diseases resulting
from nutrient deficiency
Learning competency:
The learners should be able to explain ingestion, absorption, assimilation, and excretion.
LC Code:
(MELC Week 1 S8LTIVa-13)
Week: 1
Content: The Digestive System
Day 1
Day 2
Objectives:
Objectives:
1. describe how the upper
and lower gastrointestinal
tracts work
1. explain ingestion,
absorption, assimilation, and
excretion; and
Day 3
Objectives:
1. identify common
ailments of the
digestive system.
Day 4
Grade Level: 8
Quarter:
FOURTH
Content standard: The learners demonstrate an understanding of how cells divide to produce new cells
Performance standard:
The learners should be able to report on the importance of variation in plant and animal
breeding
Learning competency:
The learners should be able to compare mitosis and meiosis, and their role in the cell-division
cycle
LC Code:
(MELC Week 3-4 S8LTIVd-16)
Week:
2-3
Content:
Cell Division
Day 1
Day 2
Day 3
Day 4
Objectives:
Objectives:
Objective:
Objective:
1. describe the cell cycle;
and
1. differentiate mitosis from
meiosis.
1. describe meiosis
2. explain the significance of
meiosis in maintaining the
chromosome number
1. discuss what happens when
something goes wrong during
meiosis.
Grade Level:
8
Quarter:
FOURTH
Content standard:
Performance standard:
The learners demonstrate an understanding of the concept of species
The learners shall be able to report on the activities that communities engage in to protect
and conserve endangered and economically important species
Learning competency:
The learners should be able to explain the concept of a species
LC Code:
(MELC Week 4-5 S8LTIVg-19)
Week:
4-5
Content:
How Do I Look Like? / Biodiversity
Day 1
Day 2
Day 3
Day 4
Objectives:
Objectives:
Objectives:
Objectives:
1. describe the law of
segregation;
1. predict the phenotype and
genotype of the sample
organism; and
1. interpret the ratio of the
phenotypic expression.
1. explain the concept of species
Grade Level:
8
Quarter:
FOURTH
Content standard:
The learners demonstrate an understanding of the one-way flow of energy and the cycling of
materials in an ecosystem
Performance standard: The learners shall be able to make a poster comparing food choices based on the trophic
levels
Learning competency:
The learners should be able to describe the transfer of energy through trophic levels and
suggest ways to minimize human impact on the environment
LC Code:
(MELC Week 6-7 S8LT-IVi-24)
Week:
6-7
Content:
Ecosystem
Day 1
Objectives:
1. explain the advantage
of high biodiversity in
maintaining the
stability of an
ecosystem
Day 2
Day 3
Day 4
Objectives:
Objectives:
Objectives:
1. describe the transfer of
energy through the trophic
levels.
1. analyze the roles of
organisms in the cycling of
materials
1. explain how materials cycle in
an ecosystem.