"We Are Breathing" PPT

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Hunan Education Edition Fifth Grade Science Volume 1, We Are Breathing PPT

Part One: Teaching Objectives

1. Be able to apply existing knowledge and experience to make hypothetical explanations for the questions raised; learn to consult books, periodicals and other information sources during learning, and cultivate students' scientific, emotional, attitude and values ​​that love to ask questions and are willing to cooperate and communicate.

2. Use simple equipment to conduct simple observation experiments, learn observation experiments on simple properties of carbon dioxide, and improve students' hands-on experimental abilities.

3. Through student group cooperative learning, we provide education on cherishing life and gradually develop study habits of careful observation and a scientific attitude of respecting facts.

4. Understand the respiratory process of the human body, and know the occurrence and prevention methods of common respiratory diseases.

We are breathing PPT, part 2: Q&A

What are the main respiratory organs of the human body?

Answer: Human respiratory organs include the nose, mouth, pharynx, larynx, trachea, bronchi, lungs, etc.

What is breathing?

Answer: Respiration includes two processes: inhalation and exhalation. It is the process in which the human body absorbs oxygen and exhales carbon dioxide.

Breathing means the existence of life.

During breathing, we exhale carbon dioxide. Please design an experiment to prove it.

Answer: Method 1: Put the lit match into the exhaled air, and the match will go out quickly. It shows that the air we exhale and the air we inhale are different. The breath you exhale is carbon dioxide.

Method 2: Use your mouth to blow air into the clear lime water through the glass tube, and the lime water will turn turbid. Explain that exhaled air contains carbon dioxide.

We are breathing PPT, part three: practice to meet standards

1. Let me fill it in:

(1) Respiration is the process in which an organism inhales ______ and exhales ______.

(2) Human respiratory organs include: ＿＿, ＿＿, ＿＿＿, ＿＿, ＿＿.

2. What are the harms of smoking

3. Blow air through a straw into clear limewater. What will you see? Why is this happening?

4. Make recommendations to protect respiratory organs.

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"We Are Breathing" PPT courseware:

Hunan Education Edition fifth grade first volume science, we are breathing PPT courseware, the first part content: experience and discussion experience students do a small experience: how do you feel after holding your breath? Then ask the students to talk about their feelings. There are long and short time, this is because...

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Update Time: 2024-11-20

This template belongs to science courseware Hunan Education Edition Fifth Grade Science Volume 1 industry PPT template

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