Miyerkules, Marso 7, 2012

LESSON PLAN IN SCIENCE VI


LESSON PLAN IN SCIENCE VI

I.Objectives
1.Identify the parts of the heart.
2. Describe the function of each part of the heart.

II.Subject Matter: The Heart-A Fantastic Pump
A.Material: Computer (Power point presentation, video clips)
B. References: PELC VI I.I.I.C
                        Into the Future: Science and health 6p.6-10
                        Microsoft Encarta
C. Concept:  *The heart is a hollow muscular organ that pumps blood to the different parts    of the body.
                    * It is divided into four chambers; two auricle and two ventricles.
D. Values: Keeping the heart healthy.
E. Skills/Science Processes: describing,identifying, following instructions,observing.
F. Pre-requisite: Meaning of heart

III.Learning Activities:
A.Preparatory Activities
Motivation
Get your pulse rate. Jog on your place in two minutes and record your pulse rate. Rest for two minutes and take again your pulse rate.
Ask pupils:” Does the rate of your heart change?”
Now we are going to find out why we have heart. What is the work of the heart?
       B. Lesson Proper
1. Presentation
              Video clip presentation.

2.Discussions:
1. What do you call the largest artery connected to the heart?
2. What is the work of atrium and ventricle?
            3. What is the function of the heart?
            4. What do you call the relaxation and contraction of the heart?
3.Generalization:
1. What are the parts of the heart?
 2. What are the functions of the heart?
4.Application:
What will happen to a person if his heart stops pumping or slows down?

IV. EVALUATION
       Direction: Select the letter of the best answer.
       1. What is the two thin-walled upper chamber of the heart?
            A. Veins                B. Auricle         c.Ventricle            D. Aorta
       2. The following are descriptions of a human heart EXCEPT one. What is this?
            A. It is a hollow muscular organ.
             B. It is located at the center of the chest cavity.
             C. It is the part where exchange of gas takes place.
             D. It pumps blood to the different parts of the body.




3. Why does the heart have to pump the blood?
             A. To provide necessary force for the blood to move from the lower to the upper part of the body.
              B. To collect all the waste materials from the body cells.
              C. To exchange the necessary nutrients.
              D. Both A and B
         4. Why is the heart important to our body?
               A. It checks the flow of blood.
               B. It stops the flow of blood
               C. It makes the blood move throughout the body.
               D. It occupies the chest cavity.
         5. Why is it important that the valves control blood flow within the heart?
                A. To slow down pumping activity of the heart.
                B. To prevent irritation of the cardiac wall.
                C. To prevent mixing of oxygenated and deoxygenated blood in different chambers.
                D. To prevent mixing of oxygenated and deoxygenated blood in the lungs.

V. Assignment
Draw the heart and label its parts.

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