Teaching plan of "Breathing Non-stop" in kindergarten large class science

1, perceive the air as colorless and tasteless, invisible and intangible, and know that there is air everywhere around us.

2, can use a variety of senses to learn simple ways to explore the air. Stimulate children's desire to explore and cultivate their interest in scientific experiments.

3. Cultivate children's awareness of caring for and protecting the environment.

Activity preparation:

Glass, glass jar, towel, background music, bag, balloon.

Activity flow:

(1) Magic Import.

1, Teacher: Hello, children. Today, the teacher is going to do a magic trick. do you want to see it ? Look carefully at those little eyes!

2. Teacher: What is this? Is it dry or wet? Come on, children, touch it with your hands. What kind of towel is this? This is a dry towel.

3. Teacher: What is this? The teacher will put the towel in the cup now, and then put the cup directly in the water. Can you guess whether the towel will get wet? (Please say it)

4. Teacher: Let's take a look. Is it wet? Children, touch it with your hands. Are you wet? Gee, it's strange that the towel was put in the water, but it wasn't wet. Isn't it amazing?

(2) The principle of air extraction.

1, Teacher: Teacher, let's do another magic trick. What is this? (Towel) What's this? We should also put towels in the cups. This time, the teacher put it into the water obliquely, so the children should observe it carefully. See what happens. (Bubble Generation) Guess if the towel is wet, little friend? (Please tell me)

2. Teacher: Is the towel wet? Let's take a look. I twisted it with my hand. Is it wet? (Wet) Why are you wet?

3. Teacher: This time the teacher's cup was put in obliquely. There was air in the cup obliquely, and the air ran out. What do the children think of this? Air comes out and water goes in, so our towels will get wet. And the first time I didn't get wet, was it because I ran out of air? (No) So the towel is dry. Just now the teacher changed two tricks about air for the children. Does it look nice?

(3) Capture the surrounding air and feel the air initially.

Teacher: So where is the air? What kind of thing is it? Next, let's do an experiment. Look, children, what is this? (bag), I want to catch the air with my bag and see where the teacher catches the air (I caught a bag from under the table with my bag). Can you tell me where you caught it?

2. Teacher: The teacher caught a bag of air. Do you want some fresh air, too? The teacher has prepared a schoolbag for each of you. Do you have all of them? Now let's open the bag to take a breath. When you catch it, you should hold the bag tightly and lift it. Let me see, who can catch more air quickly? (praising children)

3. Teacher: Now let's slowly open the bag and look at the air with our eyes. Can you see the air inside? (Invisible) Yes, air is invisible. So is the air in the bag colored? (Air has no color)

4. Teacher: (Catch it in the same way) Open your small nose and smell the air. Is it delicious? (Yes, the air has no smell) Touch it with your little hand in the bag. Can you touch the air? (Air is invisible)

(4) Capture the surrounding air and strengthen the awareness of air.

Teacher: Shall we go somewhere else to get some air? See if you can breathe air. (Lead children to catch air everywhere and play background music)

2. Teacher: OK, please take the bag back. I'll let the children tell each other where you caught the air. Tell the children next to you where you caught the air and speak freely. )

3. Teacher: OK, did you just have air everywhere? So you think the air can be seen? Do you have any colors? How does it taste? Can you touch it?

The teacher concluded: It turns out that there is air everywhere around us. The air is colorless, odorless and intangible, so children usually think that things that are not around us actually exist. How do you feel when we fan the wind with our little hands? Explain the existence and flow of air.

(5) Play games with the air baby.

1, Teacher: Have children ever played with balloons? Today, the teacher invited you to play with balloons. Are you happy? However, think about it first, how to make the balloon bigger?

2. Teacher: If the balloon is very small, does it mean that we are blowing in more or less air? The teacher prepared a balloon for each child. (Children's operation, individual guidance) Squeeze your balloon after blowing.

3. Teacher: Let's compare whose balloon is the biggest, which means he blows in the most air. Whose balloon is the smallest means that he blows the least air. Ok, the baby balloon is tired, let it have a rest.

(6) Protect the air and strive to be a small environmental guardian.

1, Teacher: Now teachers and children are going to do an experiment. Shut your mouth and cover your nose. I'll let the children tell me what it feels like. Is it uncomfortable? Why do you feel uncomfortable?

The teacher concluded: Because we keep our mouths closed and cover our noses, air can't enter our mouths and noses, so we can't breathe. So we will feel breathless and uncomfortable. Do you think we need air?

2. Teacher: We need air. What about animals? What about flowers and trees? They also need air. Where there is life, air is needed. What will happen if there is no air? Will not survive.

3. Teacher: Although we cannot live without air, what kind of air do we need? Is it clean air or polluted air? If we breathe dirty and polluted air, we will get sick, which is not good for our health, so children should protect our air and environment. Can we litter and spit everywhere? Dad is smoking. What should we tell him? What else can we do? Let's see how others do it, shall we? Tell the children what they are doing. (Children say) They are doing little environmental protection guards, protecting our environment and making our air fresher and cleaner. Only when we breathe clean air can our bodies be healthy.