2013年深圳市小学六年级科学下学期期中考试试卷及答案(罗湖区)

<div><div style="text-align: center;"><strong><font color="#ff0000">2012-2013学年第二学期</font></strong></div><div style="text-align: center;"><strong><font color="#ff0000"><br></font></strong></div><span><div style="text-align: center;"><strong><font color="#ff0000">深圳市罗湖区小学科学六年级形成性测试单元检测试题(一)</font></strong></div></span><div style="text-align: center;"><br></div><span><div style="text-align: center;">(满分:100分&nbsp;&nbsp;&nbsp;考试时间:40分钟)</div></span><div style="text-align: center;"><br></div><span><div style="text-align: center;">命题人:梁思燕&nbsp;&nbsp;&nbsp;&nbsp;审题人:&nbsp;周&nbsp;湘 &nbsp; &nbsp;&nbsp;</div></span><br><span style=" font-weight:bold; ">一、选择题</span><span>(本题共14小题,共28分)</span><br><br><span style=" font-family: 宋体;">1、人的最高视力能看清楚(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)大小的微小物体。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、1/5mm&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、1/10mm&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、1/2mm</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2、凸透镜是(&nbsp;&nbsp;</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;">&nbsp;&nbsp;&nbsp;)、透明的镜片。</span><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">A、中间厚边缘薄&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、中间薄边缘厚&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、一样厚</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">3、(&nbsp;&nbsp;&nbsp;&nbsp;)的建立,被誉为19世纪自然科学的三大发现之一。</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、细胞学说&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、动力学&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、仿生学</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">4、蟋蟀的耳朵在&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">A、头部&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、足的内侧&nbsp;</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、腹部</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">5、</span><span style=" font-family: 宋体;">下列不属于晶体的是(&nbsp;&nbsp;</span><span style=" font-family: 宋体;">&nbsp;&nbsp;</span><span style=" font-family: 宋体;">&nbsp;)</span><span style=" font-family: 宋体;">。</span><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;"><br></span></div><div><span style=" font-family: 宋体;">A、食盐</span><span style=" font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">B、雪花</span><span style=" font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">C、玻璃</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">6、大量的研究事实说明,生命体是由(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)组成的。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、细菌&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;">B、&nbsp;细胞&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、病毒</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">7、下面的透明玻璃镜片具有放大作用的是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0620/2013620171047.jpg?m=0.19556193496100605"><br><br><span style=" font-family: 宋体;">8、铁钉浸入硫酸铜溶液,不能看到的现象是(&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、产生大量气泡&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、溶液变颜色&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、铁钉上有物质附着</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">9、</span><span>燃放的烟花</span><span>是一种</span><span>什么变化</span><span>(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><span style=" font-family: 宋体;">。</span><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;">&nbsp;&nbsp;&nbsp;A、物理变化&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、化学变化&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;">C、不一定</span><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;">10、铁钉在有腐蚀的情况下容易生锈,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)不能防止和减缓铁生锈。&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、刷油漆&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、抹油&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、放入盐水中。&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">11、</span><span>固体的白糖在加热的情况下变成液体的白糖,是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span>&nbsp;</span><br><br><span>A、化学变化&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、物理变化</span><span>&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、物理变化和化学变化</span><br><br><span style=" font-family: 宋体;">12、</span><span>导致全球气候变暖其中一个重要的原因是空气中(   )含量的增加。</span><span>&nbsp;</span><br><br><span>A、二氧化碳   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B、氧气    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C、氮气</span><span>&nbsp;</span><br><br><span style=" font-family: 宋体;">13、长时间地咀嚼米饭的时候感觉到米饭有甜味,这是( &nbsp;&nbsp;&nbsp;&nbsp;  )。&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A、口腔中含有糖 &nbsp;&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">B、米饭中淀粉在咀嚼中发生了变化 </span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">C、米饭本来就是甜的</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">14、</span><span>碘酒可以检验食物中含有的(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span>&nbsp;</span><br><br><span>A、维生素  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  B、淀粉  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  C、脂肪</span><br><br><span style="font-weight: bold; font-family: 宋体;">二、判断题</span><span style=" font-family: 宋体;">(对打“</span><span>√</span><span style=" font-family: 宋体;">”、错打“</span><span>×</span><span style=" font-family: 宋体;">”。</span><span style=" font-family: 宋体;">每小题2分,共24分)</span><span style="font-weight: bold; font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、圆柱形和球形的器皿装水后也有放大功能。&nbsp;…………………………&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;">)</span><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;">2、大理石是一种单一的矿物晶体。…………………………………………(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;">3、世界是由物质构成的,动物和人不是由物质构成的。…………………(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">4、物质变化虽然有快有慢,但黄金、玉石这一类永远不会发生变化。…(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">5、天然气燃烧之后,转换成其它物质,是一种化学变化…………………(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"><br></span><span style=" font-family: 宋体;">6、动物的卵,比如鸡蛋,也是一个细胞。…………………………………(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">7、</span><span>电灯通电后会发光发热,这是一种化学变化。&nbsp;</span><span style=" font-family: 宋体;">………………………&nbsp;</span><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">8、蝴蝶的翅膀上的彩色小鳞片其实是扁平的细毛。</span><span style=" font-family: 宋体;">………………………</span><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">9、</span><span style=" font-family: 宋体;">细胞能和病毒、细菌作战,保护我们的身体健康。…………………&nbsp;&nbsp;</span><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">10、因为我们摸不到、看不到声音,所以声音不是物质&nbsp;。</span><span style=" font-family: 宋体;">………………</span><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">11、禽流感的病原体是病毒,需要用电子显微镜才能观察到。…………&nbsp;</span><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">12、微生物不是生物,因为他没有其他生物一样的共同特征。</span><span style=" font-family: 宋体;">…………&nbsp;</span><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style="font-weight: bold; font-family: 宋体;"></span></div>{$setpage}<div><br><br><span style="font-weight: bold; font-family: 宋体;">三、连线题</span><span style=" font-family: 宋体;">(</span><span style=" font-family: 宋体;">共4分)</span><span style="font-weight: bold; font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">将下列人物同他的成就连起来。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">培&nbsp;&nbsp;根&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;第一个发现和提出“细胞”这个名称</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">列文虎克&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;设计并制造出了能增进视力的眼镜</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">罗伯特.胡克&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;第一个指出微生物同人类健康的关系</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">巴斯德&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;制成最早可以放大300倍的金属结构的显微镜</span><span style=" font-family: 宋体;"></span><br><br><span style="font-weight: bold; font-family: 宋体;">四、实验题</span><span style="font-family: 宋体;">(共35分)</span><span style="font-family: 宋体;">&nbsp;</span><br><br><span style=" font-family: 宋体;"><strong>(一)、显微镜的操作实验:共(23分)</strong></span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、写出显微镜各部分的名称。(5分)</span><span style=" font-family: 宋体;"></span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0620/2013620171143.jpg?m=0.03265830595046282"><br><br><span style=" font-family: 宋体;">2、按正确使用显微镜的方法,在空括号中填上序号。(10分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;)从目镜往下看,慢慢调整调节旋钮,使标本出现在视野里为止。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;)调节载物台下的反光镜,从目镜往下看,能看见一个亮的光圈。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;)将观察的标本载玻片放在载物台上,用压片夹夹住,要使标本恰好在载物台通光孔的中央。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;)一只手握住镜臂,另一只手托着镜座,将显微镜向着光摆放在平坦的桌面上。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(&nbsp;&nbsp;&nbsp;)慢慢移动载玻片,观察标本的各个部分。</span><span style=" font-family: 宋体;"></span><br><br><span style=" z-index:1; left:0px; "></span><span style=" font-family: 宋体;">3、把下列你在显微镜上观察过的图像和名称连起来。(4分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;"><img src="//www.szxuexiao.com/uploadimages/2013/0620/2013620171216.jpg?m=0.27006458933465183">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span><span style=" font-family: 宋体;"></span><br><span style="font-family: 宋体;">4、小明在使用显微镜观察洋葱内表皮细胞时,就碰到个难题,请你帮他找出错误所在,并改正。(4分)</span><br><br><span style=" font-family: 宋体;">从目镜里往下看,发现里面黑乎乎的,什么也看不见。</span><span style=" font-family: 宋体;"></span><br><br><span style="font-family: 宋体;">错误:&nbsp;</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;_______________</span><span style="font-family: 宋体;">&nbsp;。</span><br><br><span style="font-family: 宋体;">改正:&nbsp;</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;_______________</span><span style="font-family: 宋体;">&nbsp;。</span><br><br><span style="font-family: 宋体;"><strong>(二)、探究小苏打和白醋混合后的变化(12分)。</strong></span><br><br><span style=" font-family: 宋体;">在实验中,我们需要在玻璃杯中先倒入3匙白醋,再加入1匙小苏打。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">小苏打和白醋混合后:我们观察到的现象是产生了大量的气泡。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">&nbsp;(1)、用手触摸玻璃杯的外壁,我们感觉到玻璃杯外壁_____________。&nbsp;</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(2)、产生的气体可以使燃烧的细木条______________。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(3)、科学研究发现:小苏打和白醋混合后,产生的气体是_______________,它的重量比空气_____________。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(4)、小苏打和白醋混合后,发生的变化是_______________变化。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(5)、小苏打和白醋混合后留在杯中的液体是________________(填全部是白醋、全部是水、含有新物质的液体)。</span><span style=" font-family: 宋体;"></span><br><br><span style="font-weight: bold; font-family: 宋体;">五、简答题</span><span style="font-family: 宋体;">(9分)</span><br><br><span style=" font-family: 宋体;">举例说明在生活中,人们用哪些方法防止铁生锈、减缓铁生锈的速度</span><span>(至少3种)</span><span style=" font-family: 宋体;">?并说明其中的科学道理。</span><span style=" font-family: 宋体;"></span><br><br></div><div></div>{$setpage}<div><br></div><div><div><br><div style="text-align: center;"><strong><font color="#38761d">2012-2013学年第二学期</font></strong></div><strong><font color="#38761d"><div style="text-align: center;"><br></div><span><div style="text-align: center;"><strong>罗湖区小学科学六年级形成性测试单元检测试题(一)</strong></div></span><div style="text-align: center;"><br></div><span><div style="text-align: center;"><strong>参考答案</strong></div></span></font></strong><br><strong>一、&nbsp;选择题(本题共14小题,共28分,每小题2分。)</strong><br><br><span>1、A&nbsp;&nbsp;2、A&nbsp;&nbsp;3、A&nbsp;&nbsp;4、B&nbsp;&nbsp;5、C&nbsp;&nbsp;6、B&nbsp;&nbsp;&nbsp;7、C</span><br><br><span>8、A&nbsp;&nbsp;9、B&nbsp;&nbsp;10、C&nbsp;&nbsp;11、C&nbsp;&nbsp;12、A&nbsp;&nbsp;13、B&nbsp;&nbsp;14、B</span><br><br><strong><span>二、&nbsp;</span><span>判断题(</span><span style=" font-family: 宋体;">对打“</span><span>√</span><span style=" font-family: 宋体;">”、错打“</span><span>×</span><span style=" font-family: 宋体;">”。</span><span>每小题2分,共24分,</span><span>每小题2分。</span><span>)</span></strong><br><br><span>1、√&nbsp;&nbsp;2、</span><span>×</span><span>&nbsp;&nbsp;3、</span><span>×</span><span>&nbsp;&nbsp;4、</span><span>×</span><span>&nbsp;&nbsp;5、√&nbsp;&nbsp;6、√&nbsp;</span><br><br><span>7、</span><span>×</span><span>&nbsp;&nbsp;8、√&nbsp;&nbsp;9、√&nbsp;&nbsp;10、</span><span>×</span><span>&nbsp;&nbsp;11、√&nbsp;&nbsp;12、</span><span>×</span><span>&nbsp;</span><br><br><strong>三、连线题(共4分。每一连线1分)</strong><br><br><span>将下列人物同他的成就连起来。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0620/2013620171355.jpg?m=0.2690589725971222"><br><br><span style="font-weight: bold; font-family: 宋体;">四、科学探究。</span><span style=" font-family: 宋体;">(共35分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">&nbsp;</span><span style=" font-family: 宋体;">(一)、显微镜的操作实验:共(23分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" z-index:1; left:0px; "></span><span style=" font-family: 宋体;">1、写出显微镜各部分的名称。(5分)</span><span style=" font-family: 宋体;"></span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0620/2013620171422.jpg?m=0.06591690331697464"><br><br><span style=" font-family: 宋体;">2、按正确使用显微镜的方法,在空括号中填上序号。(10分,每对一个2分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(4&nbsp;)、(2)、(3)、(1)、(5)、</span><span style=" font-family: 宋体;"></span><br><br><span style="font-family: 宋体;">3、把下列你在显微镜上观察过的图像和名称连起来。(4分)</span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0620/201362017153.jpg?m=0.9213256007060409"><br><br><span style=" font-family: 宋体;">4、(4分,各2分。根据大致描述给分)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">错误:</span><span style="text-decoration: underline; font-family: 宋体;">反光镜未调整好</span><span style=" font-family: 宋体;">&nbsp;。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">改正:&nbsp;</span><span style="text-decoration: underline; font-family: 宋体;">调整反光镜,直到从目镜往下看,能看见一个最亮的光圈</span><span style=" font-family: 宋体;">。</span><span style=" font-family: 宋体;"></span><br><br><span style="font-family: 宋体;">(二)、探究小苏打和白醋混合后的变化(12分。每格2分)。</span><br><br><span style=" font-family: 宋体;">(1)&nbsp;变凉(变冷)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(2)、熄灭</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(3)、二氧化碳&nbsp;、&nbsp;重</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(4)、化学变化</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">(5)、含有新物质的液体</span><span style=" font-family: 宋体;"></span><br><br><span style="font-family: 宋体;">五、简答题(9分)</span><br><br><span style=" font-family: 宋体;">方法(每个给2分):1、涂油漆&nbsp;&nbsp;&nbsp;2、抹油&nbsp;&nbsp;3、电镀&nbsp;&nbsp;&nbsp;4、镀锌</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">5、去除水分(抹干水、烘干、保持干燥等)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">科学道理(3分):切断铁和水、空气的接触,从而防止铁制品生锈。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">可根据学生的具体回答,酌情给分。</span><span style=" font-family: 宋体;"></span><br><br></div></div>