初中物理知识点，几个视频就解决了 初中物理知识点大全
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2.摄氏温度：把冰水混合物的温度规定为0度，把1标准大气压下沸水的温度规定为100度。
3.温度计
(1)原理：液体的热胀冷缩的性质制成的。
(2)构造：玻璃壳、毛细管、玻璃泡、刻度及液体。
(3)使用：使用温度计以前，要注意观察量程和认清分度值。
4.温度计的使用规则
①温度计与待测物体充分接触。
②待示数稳定后再读数。
③读数时，视线要与液面上表面相平，温度计仍与待测物体紧密接触。
5.体温计，实验温度计，寒暑表的主要区别
构造量程分度值用法
体温计玻璃泡上方有缩口35—42℃0.1℃
①离开人体读数
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绛旓細4.浜屽姏骞宠 鐨勬潯浠:浣滅敤鍦ㄥ悓涓鐗╀綋涓婄殑涓や釜鍔,濡傛灉澶у皬鐩哥瓑銆佹柟鍚戠浉鍙嶃佸苟涓斿湪鍚屼竴鐩寸嚎涓,鍒欒繖涓や釜鍔涗簩鍔涘钩琛℃椂鍚堝姏涓洪浂銆5. 鐗╀綋鍦ㄤ笉鍙楀姏鎴栧彈鍒板钩琛″姏浣滅敤涓嬮兘浼氫繚鎸侀潤姝㈢姸鎬佹垨鍖閫熺洿绾胯繍鍔ㄧ姸鎬併傜涓冪珷 鐗╄川鐨鐗╃悊灞炴鐭ヨ瘑褰掔撼1.璐ㄩ噺(m):鐗╀綋涓惈鏈夌墿璐ㄧ殑澶氬皯鍙川閲忋2.璐ㄩ噺鍥介檯鍗曚綅鏄:鍗冨厠銆傚叾浠栨湁:鍚,鍏,...
