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Anonymous users2024-02-11Hello landlord, copy is happy to answer your questions! Elementary school students' simple du production, should choose the more common items to make dao, to introduce you to two small production schemes, you refer to it: make a small fountain.
1. Waste mineral water bottle small fountain Materials: 1. Waste mineral water bottle 2, plasticine 3, straw (long with curved, short straight) 4. Appropriate amount of water Production steps: 1. Transfer water into the mineral water bottle (the height of the water can touch the short straw); 2. Knead the plasticine to the same size as the mouth of the mineral water bottle; 3. Insert the long and short straws into the pinched plasticine; 4. Press the plasticine with a straw on the mouth of the mineral water bottle.
Blow hard into the bottle of mineral water through a long straw and the water in the bottle will be flushed out through the short tube.
Second, use the discarded disposable plastic cups to make a small fountain with two disposable plastic cups, glue the cups together with transparent tape, cut off the bottom of the cup above, and then drill a ring of small holes in the cup body, pour some water into it, and then install a small flashlight on the mouth of the cup, and a dynamic small fountain is made.
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Anonymous users2024-02-10Production of scientific and technological innovation works for primary school students.
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Anonymous users2024-02-09One, small scales.
1.First of all, three.
Plywood is cut into A, B, C, D. Inside.
2.Open at the bottom end of capacity b. The middle opening of c, d.
4.Nail A to the middle and upper part of B, but be careful not to nail it, and be able to move freely.
5.The crescent-shaped plate is cut out of plywood and marked with a scale.
7.Cut two discs, equal in size.
8.Pierce four small holes on each top.
9.Cut a small groove on each side of A.
10.Tie the disc with a thin wire and the balance is ready.
Next, you can use your own imagination to decorate the small scale, and you can also use it as a knick-knack after the experiment, which is really a double win!
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Anonymous users2024-02-08Here are some simple little crafts for reference!
1. Homemade hot air balloons.
1.First of all, we cut 6 to 8 leaf-shaped pieces of paper out of soft paper.
2.Fold them in half and glue their edges together to make a balloon.
3.Tape the four wires to the bottom of the balloon. Attach the other end of the thread to the table with plasticine.
4.Try to turn the speed of the hair dryer as slowly as possible. Aim the blower up at the bottom opening and turn the switch on. The balloon will slowly grow larger, tighten the string, and leave the table.
<> content of science and technology activities for primary school students is as follows: >>>More
1. Homemade flashlight.
The specific method of making it is to remove one end of the lid of a waste can (such as a Lulu beverage can) and knock the other end with a round hammer. Roll up two No. 1 batteries with thick corrugated cardboard and put them into the tank with the positive electrode facing up and the negative electrode facing down. >>>More
1. Self-introduction training: introduce yourself clearly, build confidence, and believe in yourself; >>>More
Excerpt some beautiful words, sentences, and phrases in a specific notebook, or make a reading card. The second is life. In ordinary times, it is necessary to capture the vivid language in the spoken language of the public, and write down these words in a small notebook or card that you carry with you, so that you can accumulate over time, and you can speak into chapters, and your composition will be brilliant. >>>More
That situation is a normal phenomenon of puberty development, not only physical changes, but also psychological changes, and it is very normal to have a good feeling for the opposite sex.