Lesson Plan in Science 8
I.
Objectives:
At the end of the lesson, the students will be able to:
Identify the different organs that make up the digestive
system and the functions each organ play.
MELC:
Explain ingestion, absorption, assimilation, and excretion. (S8LTIVa-13)
II.
Subject Matter
Topic: The Human Digestive System
Reference: Quarter 4, Self-Learning Module 4 (Digestion)
Materials: Laptop, TV, Visual Aids, Photocopied Materials
III.
Procedure
A. Preparatory Activities
 Mood Setting
 Prayer
 Classroom management
 Checking of attendance
 Submission of assignments
 Review
Identify the following life processes
I – Putting food in the mouth
D – Break down of food molecules into simple and soluble form.
A – Digested food are absorbed by the villi of small intestine
A – Simple products are used to build up bigger molecules of
proteins, carbohydrates.
E – Undigested food are moved out of the body
B. Motivation
Class did you eat before coming here in school? In which part of your
body did you put your food? After that where will it go? Do you know the
organs in which our food will go?
C. Lesson Proper
 Activity
Activity 1
Direction: I will give a printed figure of the structure of the human
digestive system in a short bond paper. I want you to label the parts. Use the
words found inside the box in labeling.
D. Analysis
What is digestive system?
What are the organs in our digestive system?
What are their functions?
E. Abstraction
What did you learn in our lesson for today?
Who can give me a summary or a recap of our topic?
F. Application
What makes the organs in our digestive system so important for
us?
What do you think will happen if one part is injured or damaged?
IV.
Evaluation
Direction: Read and analyze the questions properly. Write the letter of
the correct answer in a ¼ sheet of paper.
1. In what organ is food completely digested and absorbed?
a. Liver
b. Mouth
c. Stomach
d. Small intestine
2. Which of the following is a function of gallbladder?
a. Produce bile
b. Attached the pancreas
c. Stores and concentrates bile
d. Produce insulin
3. It stores the feces/stool from the large intestine.
a. Small intestine
b. Esophagus
c. Anus
d. Rectum
4. It absorbs the water from the undigested food to have a familiar
semi-solid consistency of feces.
a. Stomach
b. Large intestine
c. Gallbladder
d. Mouth
5. This is the last part of the digestive system where the feces pass and
eliminated.
a. Anus
b. Salivary gland
c. Rectum
d. Pancreas
V.
Assignment
Draw a diagram showing the path of the food we eat from the
mouth until it is excreted out of the body.