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How to do a small chemical experiment
Method 1: making materials: two smooth and regular eggs (meaning that eggs can roll back and forth in a straight line on the table); A small piece of black paper and a small piece of red paper; Needles, scissors, glue. Method of making: (1) Cut a hole at each end of the egg with a needle, and then make the hole bigger with scissors. The two holes are one big and one small. (2) Blow carefully into the small mouth, squeeze the egg white and yolk out of the big mouth, and then remove the residual egg white from the eggshell with clear water. (3) Fold the black paper and the red paper in half, draw a crescent on the paper with a pencil and cut it out; Cut four black crescent eyes and two red crescent mouths. (4) If you want to paste a smiling face, paste the two corners of the crescent up into a mouth and the two corners of the eye down; If it sticks on the other hand, it becomes a sad face. (5) Finally, draw ears on both sides of the face, without drawing the nose. Here are some pictures for reference /Article/ShowArticle.asp? ArticleID=6320 Method 2: Take an egg, wash the stain on the surface and dry it. Wipe dry with a cloth, take some candle crumbs, put them on an iron pot and heat them to melt. Dip the wax liquid with a brush and draw or write on the eggshell. After the white wax condenses, soak the eggs in the acetic acid solution and stir them with chopsticks to make them contact the solution evenly for about half an hour. Take out the eggs, rinse them with clear water and dry them. Dig a small hole with an awl, suck out the egg white and yolk with a straw and wash them. Scrape the white wax off the eggshell with a knife. You will see obvious patterns or handwriting, and then paint them with different colors. In this way, we made an "egg painting". If you agree with my answer, please click the "Accept as Satisfied Answer" button in time ~ ~ The mobile phone questioner can comment "Satisfied" in the upper right corner of the client. ~ Your adoption is my motivation ~ ~ If you have any new problems, please ask me for help. It is not easy to answer them, so please forgive me ~ ~