1, through children's own exploration activities, understand the physical characteristics that magnets can attract iron.
2. Cultivate children's good habit of using their hands and brains and their interest in exploring science.
Prepare:
1, magnets, small nails, paper clips, beer bottle caps, plastic building blocks, wood blocks, paper, cloth, coins, stones, etc.
2. Multimedia courseware "Sliding Rabbit".
Process:
(a) the beginning part
1. Play the courseware, show the magnets and know the magnets. 2. Show the "slippery rabbit". Guess why rabbits can slide on paper boxes.
2. Show the rabbit sliding on the paper box to stimulate children's curiosity.
Teacher: What's this? How can rabbits slip? Give children enough time to speak freely.
3. The teacher shows the magnet. If it were anything else, would the rabbit still slip?
(2) Basic part
1, "Little Rabbit wants to make friends with the children in Class One, will you? Well, the rabbit will invite his good friend to his house. He has prepared many interesting things for the children. You are free to play and see what you find. "
2, children can play with things at will, inspiring children to find that magnets can attract things.
Teacher: Now please tell us what you found.
3. Teacher: Just now, children found that some things can be smoked and some things can't. Now please play again. Put the things attracted by magnets in one plate, and the things that cannot be attracted in another plate.
4. Fill in the observation record form and ask questions: Please tell me what can be sucked? Mark "√" in the record form, and mark "×" if you can't finish smoking.
"What are those flattering things made of? (iron products) ""What won't suck? Are they made of iron? " 5. Teacher's summary: A good friend of a magnet is an iron product.
(3) "Children" at the end
It's a beautiful day today. Do you want to go fishing with your teacher? Take our fishing rod and go fishing! ""Wow, all the children have caught fish. You're great. It is getting late. Pick up the little fish and let's go home! "