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1£®ÔÚÉÕ±­ÀïÊ¢100 g×óÓÒµÄË®¡£

2£®ÔÚË®ÖзÅÈëζȼơ£

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¡¡¡¡Aim£º1£®To find out the temperature when water is boiling;

¡¡¡¡2£®To find out what happens when water is boiling£®

¡¡¡¡Apparatus£ºbeaker; water; thermometer; ethanol light; beaker holder; match£®

¡¡¡¡Method£º

¡¡¡¡1£®Fill about 100 g water in the beaker£®

¡¡¡¡2£®Put a thermometer in the water£®

¡¡¡¡3£®Heat the water in the beaker, and watch the readings of the thermometer£®

¡¡¡¡Result£ºBubbles begin to appear when the temperature reaches 100 centigrade£®

¡¡¡¡Conclusion£º

¡¡¡¡1£®The water boils when the temperature reaches 100 centigrade£®

¡¡¡¡2£®A lot of bubbles appear during the boiling£®


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