Activity target 1. Identify several common eggs by observation, comparison and classification. 2. Explore and discover the different shape characteristics of eggs. Activity preparation 1, 30 eggs, goose eggs 10, quail eggs 10, pigeon eggs10; 2. Oviposition grass box 3. The story "Whose Egg" and its recording; 4, pictures: hens, geese, quails, pigeons 5, oviparous animals video 6, ppt courseware activity flow 1, show eggs, stimulate children's interest 1, let children touch eggs Teacher: There is something in the teacher's pocket today. Who wants to feel what it is? Teacher: Guess what this is? Then please take it out! 2. Understanding Eggs (1) Question: What is it? It turned out that the hen laid the eggs. What are their names? (Eggs) (2) Teacher: There is an egg in the pocket behind your chair, too. It is easily broken, please handle it with care. Find a good friend by the heel and tell me what it's like. (3) Question: What does an egg look like? -it is oval, and its shape is oval; -Get a kid to come forward. "Look at the teacher's eggs. Are they the same as those in his hand? Where is it different? " (color)