2014年小学三年级科学下学期期末考试试卷及答案

<div style="text-align: center;"><strong><font color="#ff0000">2013~2014学年度下期期末质量监测</font></strong></div><strong><font color="#ff0000"><div style="text-align: center;"><br></div><span><div style="text-align: center;"><strong>三年级科学试卷</strong></div></span></font></strong><br><div style="text-align: center;">(总分50分,答卷时间40分钟)</div><div><span></span><br> <table width="100%" border="1"><tbody><tr><td><br>题&nbsp;&nbsp;号<br></td><td><br>一<br></td><td><br>二<br></td><td><br>三<br></td><td><br>四<br></td><td><br>五<br></td><td><br>总分<br></td><td><br>总分人<br></td></tr><tr><td><br>得&nbsp;&nbsp;分<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td rowspan="2"><br>&nbsp;<br></td><td rowspan="2"><br>&nbsp;<br></td></tr><tr><td><br>评分人<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td><td><br>&nbsp;<br></td></tr></tbody></table> <br><strong><span>一、轻松填空。</span><span>(每小题1分,共8分)</span></strong><br><br><span>&nbsp;&nbsp;1、表层土的养分来自腐烂的动植物的遗体,它们被称为________。</span><span></span><br><br><span>&nbsp;&nbsp;2、土壤是人类和动植物共同的_______。</span><span></span><br><br><span>&nbsp;&nbsp;3、有空气、水、适当的温度,_______才能萌发。</span><span></span><br><br><span>&nbsp;&nbsp;4、_______是植物非常重要的组成部分,它能固定植物和吸收养料的作用。</span><span></span><br><br><span>&nbsp;&nbsp;5、雄蕊和雌蕊是植物的繁殖器官。花粉落在雌蕊的柱头上,这一过程就叫做_______,传粉后植物就有可能结出果实。</span><span></span><br><br><span>&nbsp;&nbsp;6、在一定的地区,一年中天气的变化总有一定的规律,这种规律称为该地区的_______特征。</span><br><br><span>&nbsp;&nbsp;7、平常我们主要用_______去观察周围的世界,而鼻子、嘴巴、耳朵、手也是人体的观察器官。</span><span></span><br><br><span>&nbsp;&nbsp;8、漏刻和沙漏是我国古代一种计量_______的仪器。</span><span></span><br><br><strong><span>二、快乐选择。</span><span>(每空1分,共8分)</span></strong><span></span><br><br><span>1、固体(&nbsp;&nbsp;&nbsp;),液体(&nbsp;&nbsp;&nbsp;),上浮(&nbsp;&nbsp;&nbsp;),下沉(&nbsp;&nbsp;&nbsp;)</span><span></span><br><br><span>A、玻璃球&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、香油&nbsp;</span><span></span><br><br><span>C、塑料杯&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D、铁钉</span><span></span><br><br><span>2、渗水性最强的是(&nbsp;&nbsp;&nbsp;)。</span><br><br><span>A、沙土&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、黏土&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、土壤</span><span></span><br><br><span>3、一株完整的绿色开花植物应该有(&nbsp;&nbsp;&nbsp;)。</span><span></span><br><br><span>A、根茎、叶花、直根和须根</span><span></span><br><br><span>B、根、茎、叶、花、果实、种子</span><span></span><br><br><span>C、根、茎、叶、花、阔叶和针叶</span><span></span><br><br><span>D、根、茎、叶、花蕊和花瓣</span><span></span><br><br><span>4、下列物质中不透明的是(&nbsp;&nbsp;&nbsp;)。</span><span></span><br><br><span>A、油&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、水&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、牛奶</span><span></span><br><br><span>5、查询天气预报可打电话是(&nbsp;&nbsp;&nbsp;)。</span><span></span><br><br><span>A、119&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、110&nbsp;&nbsp;&nbsp;</span><span></span><br><br><span>C、120&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D、96121</span><span></span><br><br><strong><span>三、明辨是非。</span><span>(每题1分,共8分)</span></strong><br><br><span>1、所有的土壤都适合庄稼生长。 &nbsp; (&nbsp;&nbsp;)</span><span></span><br><br><span>2、固体混合后重量无变化,体积会变化。 &nbsp;(&nbsp;&nbsp;)</span><span></span><br><br><span>3、</span><span style=" letter-spacing:; ">要把固体从液体中分离出来,常用的分离法是过滤、</span>沉淀、蒸发。 &nbsp; (&nbsp;&nbsp;)<br><br><span>4、不同的液体不一样重,流动的快慢也不相同。&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;)</span><span></span><br><br><span>5、救生圈应用了物体沉浮的性质。 &nbsp; (&nbsp;&nbsp;)</span><span></span><br><br><span>6、天气主要是指:气温、气压、风、云、湿度、降雨及各种天气现象。&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></span><br><br><span>7、</span><span style=" letter-spacing:-; ">一天中气温最高的时刻在午后2点左右,不是在中午12点。</span>(&nbsp;&nbsp;)<br><br><span>8、小学生不该关心天气现象。 (&nbsp;&nbsp;)</span><span></span><br><br><strong><span>四、连线搭桥</span><span>。</span><span>(共20分)</span></strong><br><br><span>1、</span><span style=" letter-spacing:-; ">你认识这些符号吗?把它们连接起来。(每线1分,共6分)</span><span style=" letter-spacing:-; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0701/201471165252.jpg?m=0.04913382441736758"><br><br><span>2、</span><span style=" letter-spacing:-; ">把各种测量仪器和它们的用处连起来。(每线2分,共14分)</span><span style=" letter-spacing:-; "></span><br><br><span>寒暑表&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;时间长短</span><span></span><br><br><span>风力计&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;气温</span><span></span><br><br><span>雨量器&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;风速</span><br><br><span>温度表&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;降雨量</span><span></span><br><br><span>水表&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;人体温度</span><span></span><br><br><span>电表&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;用水量的多少</span><span></span><br><br><span>秒表&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;用电量的多少</span><span></span><br><br><strong><span>五、对答如流。</span><span>(共6分)</span></strong><span></span><br><br><span>我们可以为保护家乡的土壤做些什么?(至少答三点)</span><span></span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">三年级科学试卷参考答案</font></strong></div><br><span><strong>一、轻松填空(每小题1分,共8分)</strong></span><br><br><span>&nbsp;&nbsp;1、腐殖质&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2、家园&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3、种子&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4、根</span><br><br><span>&nbsp;&nbsp;5、传粉&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6、气候&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7、眼睛&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8、时间</span><br><br><span><strong>二、快乐选择(每空1分,共8分)</strong></span><span></span><br><br><span>&nbsp;</span><span>&nbsp;&nbsp;1、A、B、C、D&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2、A&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3、B&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4、C&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5、D</span><br><br><span><strong>三、明辨是非(每题1分,共8分)</strong></span><span></span><br><br><span style=" letter-spacing:-; ">&nbsp;&nbsp;&nbsp;1、×&nbsp;&nbsp;&nbsp;2、√&nbsp;&nbsp;&nbsp;3、√&nbsp;&nbsp;&nbsp;4、√&nbsp;&nbsp;&nbsp;5、√&nbsp;&nbsp;&nbsp;6、√&nbsp;&nbsp;&nbsp;7、√&nbsp;&nbsp;&nbsp;8、×</span><span style=" letter-spacing:-; "></span><br><br><span><strong>四、连线搭桥(共20分)</strong></span><br><br><span>&nbsp;1、(每线1分,共6分)</span><br><br><span>(1)——风&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)——阴&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)——晴</span><br><br><span>(4)——小雨&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(5)——雪&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(6)——多云</span><br><br><span>&nbsp;2、(每线2分,共14分)</span><br><br><span>寒暑表——气温&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;风力计——风速&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;雨量器——降雨量</span><br><br><span>温度表——人体温度&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;水表——用水量的多少</span><br><br><span>电表——用电量的多少&nbsp;&nbsp;&nbsp;秒表——时间长短</span><br><br><span><strong>五、对答如流(共6分)(至少答三点,答对1点2分)</strong></span><span></span><br><br><span>1、承包公共绿地,做护绿小队员;</span></div><div><span><br></span></div><div><span>2、变废为宝,给垃圾分类;</span></div><div><span><br></span></div><div><span>3、植树造林,避免水土流失;</span></div><div><span><br></span></div><div><span>4、作好环保宣传;</span></div><div><span><br></span></div><div><span>5、牢固树立环保意识,积极参与环保活动。</span><br>&nbsp;<br></div>