Friction generates electricity
The rapid development of the times, the life of modern people has become more and more inseparable from electricity, summer air conditioning, winter with water heaters, night lamps, etc., for children, especially so, they will also be parents to educate safe electricity. But what exactly is electricity that children can really understand? The following two small experiments can be operated with children.
1. "Magic Ruler" Preparation Materials: Dry Ruler, Towel, Confetti
Procedure:
1. Wrap a dry towel around the ruler and rub it back and forth.
2. After rubbing a few times, quickly take the ruler close to the confetti, what will the child observe? ▼
The effect of stress
Procedure:
1. Cut the straw to a suitable length and reunite the clay.
2. Insert one end of the shortened straw into the clay, bend the entire straw, and ensure that the other end is also inserted into the clay.
3. Put the submarine in a bottle filled with water and the child will find it floating.
4. Close the bottle cap, then squeeze the water bottle with both hands, and then release the hand to let the child witness a miracle moment. ▼
Bubble big bang
Colorful bubbles are one of the most popular toys for children, and children will always be obsessed with the colorful fantasy of bubbles. Wouldn't it be more fun if you could do it yourself? The following "bubble" fountain, you can play at home Oh ~
"Bubble Fountain" preparation materials: dish soap, white vinegar, baking soda, color, plastic bottle, white paper
1. Pour the white vinegar into the bottle and drop in the pigment.
2. In the bottle, add an appropriate amount of dish soap
3. Pour the baking soda powder on white paper, fold it into a funnel shape, and quickly pour the baking soda into the bottle. See what kind of chemical reactions will occur? ▼
If these experiments help you, give me a thumbs up.