Since three-year age, your kid seeks to broaden as much as possible horizons and ideas of surrounding objects. Very often its attention is drawn by not harmless things, such as electric current. In this case it is necessary to explain intelligibly to the child in what an essence of this puzzle and what it can be dangerous by.
It is required to you
- - battery of 9 volts;
- - bulb of 12 volts.
Instruction
1. Bring the kid to the socket and wires. Tell him that on them hardworking bees who constantly work fly. Exactly thanks to their efforts we can light the house, watch TV, use the fridge and the washing machine. It is impossible to disturb bees, otherwise they can painfully sting.
2. For descriptive reasons make the next experiment which all actions constantly control. Tell the child that you can show him as absolutely little bees are stung. Take the battery on 9 volts and suggest the kid to put it to a language tip. Explain to the child that burning which he experienced is a sting of those "electric" bees. Explain to him that if he tries to repeat such actions not with the battery, bees very much will become angry and will sting much stronger.
3. It can be shown by means of a bulb. Take the bulb calculated on 12 volts, and include it in an electrical network. Naturally, it will fuse at once, and on an internal part of glass there will be blackspotssoot . Explain to the child that it is bees who broke loose and very much became angry as they were forced it is useless to work.
4. Besides, do not forget to follow elementary safety rules. Do not leave electric devices included in network without need, especially if the child is in the room one. Sockets have to be supplied with the special rotary mechanism or are closed by caps safety locks. Whenever possible do not use extenders which by all means will draw attention of the child. Surely explain to the kid that at any sign of malfunction of electric devices or conductings (for example, at emergence of sparks and a crash) it is impossible to touch anything, and it is necessary to call urgently to the aid adults.