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Objectives:
1. Through play, explore ways to make eggs stand up.
2. Stimulate children. Curiosity is included, cultivating children's interest in the things around them, and developing children's imagination and hands-on ability.
3. Build self-confidence and experience the joy of success.
Event Preparation:
A number of cooked eggs, sand, bottle caps, glass bottles, building blocks, rags, etc.
Activity process:
1. The beginning part: stimulate children's interest through conversation.
Show the egg baby to get the toddler's attention. Teacher: Do children want to play with it? The egg baby wants to ask the child to help him stand up, so he plays with the child.
Second, the basic part:
(1) Operate on the desktop.
1. Invite children to discuss and think.
2. Give each child an egg to laugh at, and the child explores, looking for a way to make the egg stand on the table. Teachers observe and encourage.
3. Children's communication operation methods.
4. Teachers make a simple summary according to the children's operation and communication.
5. Ask the question: Is there a way to make the egg baby stand up without breaking the egg?
(2) Provide different materials and ask the children to find a way to make the egg stand up again.
2. Children can freely choose materials for testing.
4. Children visit each other and exchange methods.
5. Teachers and children jointly summarize the various ways to make eggs stand.
3. The end part: the egg baby gives gifts.
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Before a teacher carries out a teaching activity, it is usually necessary to prepare a lesson plan that helps students understand and master the knowledge of the system. How do you make the lesson plan focused? The following is a lesson plan for the science activity of the middle class of "The Egg Baby Floats", which I have collected and sorted out, for reference only, and you are welcome to read it.
[Design intent].
Ups and downs are familiar and common scientific phenomena in children's lives, but children's understanding of it is vague, and eggs can float, which is a curious thing for children. Therefore, I designed this activity, through experiments, observation and exploration, so that children can initially feel and understand this phenomenon, let children learn in the first place, and stimulate children's interest in the mysteries of science from an early age.
【Teaching Objectives】
1. Know that the egg baby is sinking in the water, and lead it out to make the egg baby float.
2. Improve children's interest in exploration through experimental operations.
3. Cultivate children's hands-on ability, boldly create and share the experience of successful cooperation with peers in activities.
4. Cultivate mutual courtesy and learn the ability to cooperate through experiments.
[Teaching Preparation].
1. A few eggs.
2. Cup, water, salt and other operating materials.
[Teaching process].
1. Introduction—Introduction.
1. Show the egg baby and let the child guess what will happen to the egg in the water?
2. So what will eggs look like in the water, let's try it together.
2. Perceive that eggs are sinking in water'。
1. Ask the children to try to put the eggs in the water in groups.
2. Ask the children to share what they have discovered.
Teacher's summary: It turns out that eggs sink to the bottom of the water in the water.
3. So is there a way to make an egg float?
3. Experience sinking and floating.
1. Invite children to discuss, how to make eggs float in water?
2. The children have thought of a lot of ways, which is great! Today, the teacher brought something to the children to make the eggs float in the water.
3. Show the salt and ask the children to discuss what we should do.
4. The teacher operates an experiment to make the egg float. Let the toddler know that salt is put in the water, stirred, and added to a certain amount of salt to float.
5. Ask the children to try the operation and the teacher will guide them.
1) The teacher explains the operation steps and reminds the children of the precautions.
2) Experiments on children's operations.
6. Have your experiments been successful? Awesome! Please tell us about the results of your experiments.
Fourth, extension activities.
Today, the children's operation experiment was very good, and the teacher asked the children to go back and try again with their parents to see if there is any other way to make our eggs float.
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Objectives:1. Try to use auxiliary materials to make the eggs stand up.
2. Be able to actively participate in ** activities and experience the fun of discovery.
3. Through observation, communication and discussion, perceive the constant changes of the surrounding things and know that everything is changing.
4. Be able to actively communicate their discoveries with peers and stimulate the desire to further explore the changes of things.
Event Preparation:1. Each person has a number of hard-boiled eggs, and draw their facial features to make egg babies.
2. All kinds of auxiliary materials.
1) Hollow materials: bottle caps, discs, flower pieces, plastic clips, etc.
2) Solid materials: square building blocks, coins, round paper cards, etc.
3) Deformable materials: plasticine, towels, sandbags, building blocks, etc.
3. Each person is spaced out in a record note, and the baby with a smile (crying) face is pasted respectively.
Activity process:(1) Inspire conversation and arouse children's interest.
1. Recall with the children the cause of the original mountain attack where the egg baby was broken.
2. Inspire children to discuss: "What is the way to make the egg baby stand and stop breaking?" ”
1) Present the prepared hollow material and solid material.
2) Show the marker map, and ask the child to observe and say how to use the marker. (i.e., if the crack can make the egg baby stand, it is indicated by a smiley face; If you can't let the egg baby stand, use a crying face to indicate it. )
3) Guide children to make conjectures and record them.
2) Experimental demonstration of young children.
Teachers observe children's experiments, intervene in a timely manner, and guide strategies
1. Observe whether the child has used all the materials to try, [Teacher QuickThinking.] Lesson plan network source] with materials that children do not use, experiment with children together, and fully perceive.
2. Randomly determine whether children understand the meaning of the marker map, and guide them to record.
3. Communicate with the children who have completed the experiment first, and guide them to observe "why do these toys help the egg babies stand and those cannot?" ”
3) Record and sort out the best results and improve experience.
1. Record the results of the children's ** on the blackboard.
2. Guide children to observe, compare and summarize "what have you found out from it?" ”
That is, the hollow material with a recess in the middle can make the egg baby stand, but the solid material cannot. )
4) Provide challenging materials (deformable materials) to guide children to transfer experience and solve new problems.
That is, the deformable material is transformed into a concave shape in the middle, so that the egg baby can stand. )
The children's operation is deeply explored, the teacher observes the experiment, and randomly judges the children's current experience, and intervenes in the guidance in a timely manner.
5) Sharing and exchange.
1. Guide children to appreciate each other's best results and compare whether they are the same as their own methods.
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