Teaching plan of "water doll magic" scientific activity 1 activity goal
1, try to perceive with a variety of senses: sugar, milk powder and fruit powder can be dissolved in water, and feel the "change" phenomenon of water;
2. Be able to express your findings boldly in the activity;
3. Willing to participate in experimental activities and interested in scientific experiments.
Activities to be prepared
1, a cup of white sugar water, marked with an indicator diagram, and a magnetic iron plate.
2. Each group has two kettles filled with warm water, several plates of milk powder, fruit treasure and sugar, a spoon, a cup and four pieces of cloth.
Activity process
1, observation activities, topic introduction
The teacher took out a cup of white sugar water and asked the children to guess what it was.
Ask individual children to taste it and tell what it tastes like.
Guess: How can water be sweet?
2. Experimental activities: the magic of water dolls
Look at the materials on the table and tell me what they have.
Guess what will happen if these materials are put into water? (Children express themselves freely)
Put forward operation requirements:
(1) Only one beverage powder can be selected for brewing.
(2) When pouring water into the pot, do not hold the handle with one hand and the pot body with the other, and do not pour it too full.
(3) Used items (spoons, kettles) should be put back.
Children operate and teachers observe.
Compare and discuss where the "beverage powder" has gone. Help children understand "melting" and guide them to understand how to melt beverage powder. )
3. Tasting activities
Tell me what mixed water tastes like.
4, grades, teacher records.
Ask individual children to talk about their own methods and steps.
Teachers use marker indicators to record.
5. Make drinks again.
Make a request:
(1) Select another material for mixing.
(2) Encourage children to try different adjustment methods.
Child operations.
Activity expansion
What other flavors of water have you drunk?
Besides sugar, milk powder and fruit powder, what can water dissolve?
Activity evaluation
This activity belongs to the "guess and verify" design. Children have some experience and understanding of dissolution, but they don't know much about it. This activity is to use children's dissolution experience to encourage children to make bold guesses, and to expand their knowledge and verify their guesses through experiments.
The design intention of "water doll magic" science activity teaching plan 2 in the middle class;
Innocent and lovely children like to express their feelings with colored brushes. When children draw watercolors, they often encounter the problem of not finding the colors they like or need. Therefore, according to the characteristics of children's curiosity and exploration spirit, I designed this activity about color matching.
Activity objectives:
1, arouse children's interest in color exploration by playing color mixing games. Cultivate children's observation and operation ability.
2. Encourage children to record the problems found in the activities.
3. Cultivate children's feelings of caring and helping others.
Activity preparation:
1, several bottles filled with clear water (with baby face stickers with changeable expressions on them)
2. Record watercolor pens, wordpads, etc. for children.
Activity flow:
First, set the situation to stimulate children's interest in operating mixed games for the first time.
1, arouse children's interest in the first operation through the desire of "water doll" to become "sea mother" color.
2. In the process of operation, encourage children to speak boldly and say it in their own way. And find out two kinds of "deep" blue for comparison. Inspire children to draw the conclusion that the change of depth is determined by the amount of pigment invested.
3. Teachers and students work together to change the baby face and let the children experience the happiness of "helping others".
Second, the teacher is dubious: "Little friend, can we make the water doll into other colors besides blue?" Arouse children's interest in continuing to operate. The teacher provides the children with the materials they need. Pay attention to guiding individual children with poor ability when operating.
Third, feel the fun of color matching from the operation and learn to record the methods to solve problems in the activities.
1, ask a question: "What if the water doll wants to change its color after wearing this dress for a long time?" Inspire children to imagine boldly and affirm their own discussion methods.
2. The teacher first takes the mixture of blue and yellow as an example to arouse children's interest in exploration and operation.
3. Encourage young children to record the "color secrets" they found. The teacher can demonstrate the recording method first, and then help the children record together. )
4. Visit the record board to record the results, praise the children and give each child a star of wisdom.
4. After the game, teachers and students discuss giving beautiful water dolls to children in other classes.
Activity self-assessment:
In the whole activity, children are full of curiosity and take the initiative to find problems, think about problems and solve them. Children's hands-on operation ability has been improved to a certain extent, and this interest can also be spontaneously extended to other activities. For example, in the art area, children use different colors of plasticine to adjust their favorite colors.