2. Understand how to choose and wear masks correctly.
3. Help children to further establish a sense of self-protection and establish a correct anti-"non-"mentality.
Activity preparation: a number of masks of various textures and styles. (such as 4-layer disposable masks, 12-layer ordinary masks, 20-layer medical masks, cartoon masks, etc.). )
Activity flow: 1. Introduce activities to stimulate interest:
1, guess. (The answer is mask)
2. Discussion: "What is the function of the mask?" (Keep warm to prevent the invasion of germs, etc. )
Second, the collective discussion:
1, Introduction: "Masked friends come to our class to hold an exhibition and see what's different between them?"
2. Children visit and express their opinions freely.
3. Q: "Why do people have to wear masks when they go out recently?"
4. The teacher briefly summed it up: "Masks can prevent germs from invading our bodies and protect our health. (The lesson plan comes from: Teacher Qu's lesson plan network) The commonly used masks are made of gauze. The four-layer mask can block 70%-80% of bacteria, but the pathogen of SARS is very strong, so it is best to wear 12 layer or more. Although the cartoon mask looks good, the material it uses contains chemical components, which is not good for the body. "
5. Focus on:
(1) "Is it good for you to wear a mask all the time?"
(2) "When do you need to wear a mask?"
(3) "How to put away the worn mask?"
Third, personal demonstration: how to wear a mask correctly.
(1) A few children demonstrate the method of wearing a mask to guide the rest of the children to judge whether it is correct or not.
(2) The teacher introduced: "The size of the mask should just cover the chin, mouth, nose and other parts. (The lesson plan comes from: Teacher Qu's lesson plan network) Wearing a mask that is too big or too small, germs and dust can enter from the edges on both sides of the mask. "
(3) Demonstrate and discuss the method of withdrawing and releasing the mask.
Fourth, expand children's experience in preventing SARS.
Help children understand other important ways to prevent SARS: "Wearing a mask is an important way to prevent SARS. Is there any other way to prevent SARS? "
The expansion of verb (verb's abbreviation);