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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£®