湖南长沙市长郡教育集团2026-2027学年九年级上学期10月期中物理试题

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2026年秋季九年级期中限时检测试卷

物理

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6.本学科试卷共五大题,考试时量60分钟,满分100分。

一、单项选择题(本大题共10小题,每小题3分,共30分。每小题只有一个选项符合题意)

1.“三湘四水,大美湖南”。下列描述中,属于分子无规则运动的是

A.橘子洲头丹桂飘香  B.洞庭湖畔芦苇随风摇曳

C.凤凰古城秋叶漫天飞舞 D.张家界山间云雾缭绕

2.“神舟十八号”返回舱返回过程中,进入大气层,与大气摩擦形成高温“火球”。下列实例中改变内能的方式与“火球”的形成原理相同的是

A.棉被晒热image B.钻木取火image

C.鸡蛋放入冷水变凉 D.用燃气烧水image

3.关于温度、热量和内能,下列说法正确的是

A.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的冰块内能为零

B.物体吸收热量,温度一定升高

C.两个内能相同的物体,也可以发生热传递

D.物体内能减少,一定是放出了热量page number 0

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4.十一期间,同学们利用身边的器材,制作了简易热机模型。如图所示,易拉罐里盛适量水,用笔杆和橡皮泥将易拉罐罐口密封,加热易拉罐使水沸腾,笔管管口冒出“白气”推动管口处的纸风车转动。对此过程下列分析正确的是

image

A.水在沸腾过程中,水的内能不变

B.水在沸腾过程中,水的比热容变大

C.玻璃管口冒出的“白气”是汽化现象

D.“白气”使风车转动过程相当于汽油机的做功冲程

5.如图所示,下列关于静电现象的说法正确的是

A.如图甲:验电器是利用了异种电荷相互吸引的原理制成的

B.如图乙:细绳悬挂的轻质泡沫塑料小球相互吸引,两小球一定带有异种电荷

C.如图丙:丝绸摩擦过的玻璃棒带上正电荷,在这个过程中玻璃棒得到电子

D.如图丁:摩擦后的梳子能够吸引纸屑,因为带电体具有吸引轻小物体的性质

6.随着人们生活水平的提高,家庭中的用电器越来越多。关于图中用电器的说法正确的是

A.甲图中,教室里的三盏灯,用一个开关能同时控制它们的通断,三盏灯是串联的

B.乙图中,马路上的路灯总是同时亮同时灭,它们是串联的

C.丙图中,三合一的数据线给三台手机同时充电时,三个插头之间是并联的

D.丁图中,任意取下一个灯泡后整串彩灯都会熄灭,每个灯泡之间是并联的

7.下列四个电路图中,与实物图对应的是page number 1

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image

A.image  B.image

C.image  D.image

8.我国正大力发展液态阳光技术:利用太阳能发电,再将电能转化为甲醇中的化学能储存;甲醇作为燃料供给汽车,实现清洁高效利用。下列关于能量转化的说法正确的是

A.太阳能电池板将太阳能转化为化学能

B.发动机将燃料的化学能最终转化为汽车的机械能

C.未来液态阳光技术的能量转化效率可达100%

D.能量在转化过程中总量会不断减少

9.如图是某款自动洗手液机,只闭合开关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,指示灯亮;再将手伸入感应区,则开关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闭合,电动机启动并挤出洗手液;若只闭合开关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,电动机不能启动。下列电路符合要求的是

image

A.image  B.imagepage number 2

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