Republic of the Philippines Department of Education CITY CENTRAL HIGH SCHOOL Osmeña Blvd., Cebu City North District 1, Cebu City Division Name of Teacher: Blezy V. Guiroy Grade Level: Grade 8 Learning Area: Science 8 Quarter: 4th Module: 3 Unit:4 At the end of the session, with 75% accuracy, the Grade 8 high school students should be able to: Knowledge Explain the processes of digestion; OBJECTIVES Skills Make a brochure showing the process of digestion; and Attitudes Manifest the importance of digestive system to humans. SUBJECT MATTER The four processes of digestion are ingestion, digestion, absorption and elimination. Ingestion is the process where food is taken into the alimentary canal. Digestion is the process where the ingested food is broken down into Concept smaller pieces. Absorption/Assimilation is the process by which components/chemicals from food are taken into the cells of the body while Elimination is the process of removing undigested food and other waste from the body. Manifest the importance of digestive system to humans. Values Dep. Ed. Health Education Thrust Visual aids, test paper and materials, Resources Learner’s Material Science 8 pages 295-298, www.youtube.com References ELEMENTS METHODOLOGY OF THE PLAN
PREPARATION
It’s Play Time! ( “ Picture Puzzle’’) (Microsoft Excel) 1. Everybody in the class is requested to join the game 2. The teacher will divide the class into 4. 3. The teacher will let the students play picture puzzle. She will show 6 green blocks containing clues. 4. The students should answer the clues correctly to reveal the picture. 5. The group who can first guess the picture wins the game. Questions: (To the class) 1. Did you enjoy the game class? 2. What was the game all about? (Varied responses) 3. What is the picture all about? DIGESTIVE SYSTEM
PRESENTATION
ACTIVITY: THINK, POST AND SHARE 1. The teacher will show a diagram to the students and they will answer the diagram within their group. The first group who can ring the bell in front of the teacher will have the chance to answer and gain one point. (Microsoft Excel) 2. The students will label the diagram correctly on the different organs of digestive system. 3. The class will then read the order of digestion. DISCUSSION: 4. The teacher will discuss the topic. (Microsoft PowerPoint) 5. The students will raise their questions for better understanding. ANALYSIS: 6. What are the organs of digestive system? 7. What happens to the food as it moves from one organ to another in the digestive system?
8. What do you call the process where food is taken into the mouth? 9. Why do we choke? 10. What will happen to the bolus when it is mixed with gastric juices? 11. What is the difference between small intestine and large intestine? 12. What do you call the process of removing undigested food to the body?
PRACTICE
Level of Assessment ASSESSMENT
Written Outputs
Performance Outputs ASSIGNMEN T
Preparing for the New Lesson
Prepared by: BLEZY V. GUIROY Science Teacher Demonstrator City Central High School
Checked by: RUBY IRENE J. GABATO Science Coordinator City Central High School
ABSTRACTION: 13. What is the difference between Ingestion and Digestion? 14. What is the importance of Absorption? 15. What will happen if one of the organs of the digestive system malfunctions? (Varied responses) 16. Is it necessary to eat meals on time? (Varied responses) 17. The students will play a quiz bowl. Questions will be projected on the screen. 1minute is given to write their answers on the tag board. The group who can get the highest correct answers wins the game. (Microsoft PowerPoint) APPLICATION: 1. Create a program on social awareness on proper way of taking care of our digestive system. The program should contain varied activities that could inform the people on the correct way of taking care of our digestive system. (Microsoft Publisher) 2. The said activity will be done by group. ASSESSMENT MATRIX What will I How will I assess? How will I score? assess? Multiple choice. Answer the Concepts on the question by choosing the best One point per digestive system. answer from the choices given. correct answer. (See attached file) Construct: In a short bond A rubric will be Brochure Making paper, using publisher, create a used to score their (Microsoft brochure on how to take good outputs. (See Publisher) care of our digestive system. attached file) List the food that you eat today. Write it in a short bond paper. Approved by: ANDREW A SOLON, Ph., D. Principal II City Central High School
Noted: RAYLENE S. MANAWATAO Cebu City School Science Supervisor DepEd Cebu City Division
MARIA GONIE L. HERNANDEZ Science Coordinator North District 1
Name: ___________________________ Grade and Section: __________Date: __________ Score: ______ ASSESSMENT: I. Multiple choice Directions: Answer the following questions by choosing the best answer from the choices given. 1. What is digestive system? a. The body’s breathing system. b. The body’s system of nerves.
c. The body’s food-processing system. d. The body’s blood-transporting system.
2. Digestion begins in the mouth. Which of the following statement is INCORRECT? a. The tongue aids in the digestion of the food. b. The saliva changes some of the starches in the food to sugar. c. The tongue keeps the food in place in the mouth while the food is being chewed. d. The digestive juices can react more easily with the food when chewed. 3. Where does food pass through between the mouth and the stomach? a. Esophagus c. Small intestine b. Rectum d. Large intestine 4. Our throat divides into two separate tubes: the windpipe and the esophagus. What prevents food from entering the windpipe? a. Uvula b. Tongue c. Trachea d. Epiglottis 5. What happens when food reaches the stomach? a. Nothing. No digestion occurs in the stomach. b. The food moves quickly into the small intestine. c. Juices mix with the food and stomach muscles squeeze it. d. The food is completely absorbed by tiny blood vessels. 6. Which of the following statement about digestion is INCORRECT? a. Digestion starts in the mouth. b. There are two types of digestion: chemical and mechanical digestion. c. Gastric juices mix with the bolus in the small intestine. d. The enzymes help break down proteins and lipids. 7. How does digested food finally reach the bloodstream? It ___________. a. passes through the gullet into the blood. b. is absorbed into the blood through blood vessels. c. is absorbed into the blood through the walls of the lungs. d. passes from the small intestine into the large intestine, then into the blood. 8. The digestive system processes food into usable and unusable materials. The undigested foods are sent to the body's cells as food. What happens to unusable materials? It goes into the _____________. a. pancreas to await disposal. b. right ventricle to await disposal. c. large intestine to await disposal. d. small intestine to await disposal. 9. Digestion takes place in a long tube-like canal called the alimentary canal, or the digestive tract. How does food travels in our body?
small intestine large intestine rectum large intestine small intestine rectum small intestine large intestine rectum small intestine large intestine rectum
10. Which of the following statements BEST describe Absorption? a. The food enters the mouth and goes to the esophagus. b. The food is broken down into smaller particles. c. The food is taken by tiny blood vessels in the stomach. d. Gastric juices mix with food in the stomach.
RUBRICS FOR MAKING BROCHURE
CRITERIA
POOR (1pt)
FAIR (3pts)
BEST (5pts)
Content
The details and concepts of the brochure are incorrect.
Some of the details and concepts of the brochure are insufficient.
The details and concepts of the brochure are correct.
Creativity
The brochure shows lack of creativity and can be improved better and is made in rush and for the sake of passing.
The brochure shows creativity but some designs need improvement.
The brochure shows utmost creativity and highly detailed with design.
The output is not clean
Some of the details in the output are not neat and clean.
