<div style="text-align: center;"><strong><font color="#ff0000">2013-2014学年第二学期</font></strong></div><strong><font color="#ff0000"><div style="text-align: center;"><br></div><span><div style="text-align: center;"><strong>罗湖区小学科学四年级期末检测试题</strong></div></span></font></strong><br><div style="text-align: center;">(满分:100分 考试时间:40分钟)</div><br><div style="text-align: center;">命题人: 黄鑫焕 审题人:周湘</div><br><strong><span>一、</span><span>选择题(本题共</span><span>20</span><span>小题,每个选择</span><span>2</span><span>分,共</span><span>40</span><span>分)</span></strong><br><br><span style=" font-family: 宋体;">1、</span><span>下边物体都</span><span style=" font-family: 宋体;">是导体的是( </span><span style=" font-family: 宋体;"> </span><span style=" font-family: 宋体;">)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A</span><span style=" font-family: 宋体;">、塑料</span><span style=" font-family: 宋体;"> </span><span>螺丝钉</span><span style=" font-family: 宋体;"> B</span><span style=" font-family: 宋体;">、铁丝</span><span style=" font-family: 宋体;"> </span><span>纯净水</span><span style=" font-family: 宋体;"> C</span><span style=" font-family: 宋体;">、</span><span>人体 矿泉水</span><span style=" font-family: 宋体;"> D</span><span style=" font-family: 宋体;">、竹筷</span><span style=" font-family: 宋体;"> </span><span>硬币</span><span style=" font-family: 宋体;"></span><br><br><span>2、用毛皮摩擦两个靠得很近的吹起来的气球,他们会(</span><span> </span><span>)。</span><br><br><span>A</span><span>、相互吸引</span><span> B</span><span>、相互排斥</span><span> C</span><span>、互不吸引 D、互不排斥</span><br><br><span>3、下边安全的行为是(</span><span> </span><span>)</span><br><br><span>A</span><span>、如遇电器发生火灾,要立即用水扑灭</span><span> </span><br><br><span>B</span><span>、用上课时自制电路检测器检测家里的电路故障</span><br><br><span>C</span><span>、用湿布清洁电器和开关</span><span> </span><br><br><span>D</span><span>、若发现有人触电,赶快拉断开关和用干燥木棍挑开电线</span><br><br><span>4、人体的安全电压是( )以下。</span><br><br><span>A</span><span>、</span><span> 1.5V B</span><span>、</span><span>36V C</span><span>、11</span><span>0V</span><span> D、220V</span><br><br><span>5、我们解剖油菜花的正确顺序是(</span><span> </span><span>)</span><br><br><span>A</span><span>、萼片</span><span>-</span><span>花瓣</span><span>-</span><span>雄蕊</span><span>-</span><span>雌蕊 </span><span> B</span><span>、雌蕊</span><span>-</span><span>雄蕊</span><span>-</span><span>花瓣</span><span>-</span><span>萼片</span><span> </span><br><br><span>C</span><span>、萼片</span><span>-</span><span>花瓣</span><span>-</span><span>雌蕊</span><span>-</span><span>雄蕊 D、雄蕊</span><span>-</span><span>雌蕊</span><span>-</span><span>花瓣</span><span>-</span><span>萼片</span><br><br><span>6、</span><span>下列植物的花属于单性花的是(</span><span> </span><span>)</span><br><br><span>A</span><span>、油菜花</span><span> B</span><span>、</span><span>桃花</span><span> </span><span> </span><span> C</span><span>、凤仙花 D、南瓜花</span><br><br><span>7</span><span>、根据下列植物果实或种子具有的特点推测,利用动物来传播种子的是 ( </span><span> </span><span>)</span><br><br><span>A、果实在成熟时会突然炸裂 B、轻,带翅或绒毛 </span><br><br><span>C、有小刺或多肉好吃 D、圆形,散落时能滚动</span><span> </span><br><br><span>8、</span><span>下列信息一般不能在食品包装上获得的是( )</span><br><br><span>A</span><span>、</span><span>食物名称 B</span><span>、</span><span>生产厂家 C</span><span>、</span><span>保质期 </span><span> </span><span> D</span><span>、</span><span>价格</span><br><br><span>9、</span><span>下列动物中,不属于卵生的是(</span><span> </span><span>)。</span><br><br><span>A、蛇 B、蝴蝶 C、羊 D、青蛙</span><br><br><span>1</span><span>0、要使电荷流动形成电流,需要具备的两个条件是(</span><span> </span><span>)。</span><br><br><span>A</span><span>、电源和动力</span><span> B</span><span>、电源与电路</span><span> C</span><span>、电路与用电器 D、电源和用电器</span><br><br><span>1</span><span>1、一节电池的电压是</span><span>1.5V</span><span>,四节电池并联起来的电压是(</span><span> </span><span>)。</span><span> </span><br><br><span>A</span><span>、</span><span>1.5V B</span><span>、</span><span>3V C</span><span>、</span><span>4.5V </span><span> D、6</span><span>V</span><br><br><span>12</span><span>、矿物</span><span>中</span><span>硬度最大的是(</span><span> </span><span> )。 </span><br><br><span>A、石英 B、石墨 C、金刚石 </span><span> D、</span><span>长石</span><br><br><span>13、生的食物会保留自身的营养成分,特别是( )不会被破坏。</span><br><br><span>A、蛋白质 B、脂肪 C、淀粉 D、维生素</span><br><br><span>14、</span><span>下列食物中,含有维生素矿物质较多的一组是( </span><span> </span><span> )</span><br><br><span>A、菠菜、西红柿、黄瓜 B、鱼、鸡蛋、瘦肉 </span><br><br><span>C、芝麻、花生、小麦</span><span> D、</span><span>大豆、</span><span>牛肉、胡萝卜</span><br><br><span>15、均衡膳食宝塔中最高层的是( )。</span><br><br><span>A、豆类 B、谷类 C、油脂类 D、</span><span>蔬菜类</span><br><br><span>16、化石一般存在于( )中。</span><br><br><span>A、沉积岩 B、岩浆岩 C、变质岩 D、</span><span>砂岩</span><br><br><span>17、</span><span>经过地球运动,在火山喷发过程中流淌出来形成的岩石是( </span><span> </span><span> )</span><br><br><span>A、化石 B、浮石 C、页岩</span><span> D、花岗岩</span><br><br><span>18、下列说法正确的是( )</span><br><br><span>A、岩石和矿物是取之不尽,用之不竭的</span><br><br><span>B、岩石和矿物要保护和合理利用 </span><br><br><span>C、岩石和矿物在自然界中是不变的</span><br><br><span>D、</span><span>岩石在大气,水,生物等长期联合作用下也不会发生变化</span><br><br><span>1</span><span>9、关于</span><span>凤仙花</span><span>发育过程的说法</span><span>,</span><span>正确的是( )。 </span><br><br><span>A、开花--受精--传粉—</span><span>产生种子</span><span> B、开花--结果--受精--成熟 </span><br>C、开花--传粉--结果--受精 D、开花--传粉--受精—产生种子<br><br><span>20、</span><span>岩石学家常常观察岩石的( )以对岩石种类作出判断</span><br><br><span>A、颜色 B、光滑程度 C 、成分和颗粒 D、透明度</span><br><br><strong><span style=" font-family: 宋体;">二、判断题</span><span>(说法正确的</span><span style=" font-family: 宋体;">打√</span><span>,错误的打×,本题共</span><span>1</span><span>0小题,共10分)</span></strong><span style=" font-family: 宋体;"></span><br><br><span>( )</span><span>1、用电路检测器检测铁丝是否通电时,只要检测一次就可以了。 </span><br><br><span>( )</span><span>2</span><span>、</span><span>在户外遇到雷雨时,不要躲在树下避雨</span><br><br><span>( )</span><span>3</span><span>、</span><span>油菜花有</span><span>4个花瓣、4个萼片、6</span><span>个雄蕊、</span><span>1个雌蕊</span><br><br><span>( )</span><span>4</span><span>、</span><span>闻不认识的物体发出的气味的方法是直接用鼻子对着闻</span><br><br><span>( )</span><span>5</span><span>、鸡蛋都能孵化成小鸡。</span><br><br><span>( )</span><span>6</span><span>、食品的保质期越长越是好食品。</span><br><br><span>( )</span><span>7、</span><span>有人说脂肪多吃会发胖易得病,所以我们不能吃含有脂肪的食物</span><span>。</span><br><br><span>( )</span><span>8</span><span>、</span><span>蝌蚪只能由青蛙卵孵化而成</span><br><br><span>( )9、生的马铃薯与熟的马铃薯的营养是不一样的</span><br><br><span>( )10、所有的岩石都是由一种或几种矿物组成的</span><br><br><strong><span>三、连线题(本题共2小题,共</span><span>1</span><span>0分)</span></strong><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0708/201478153617.jpg?m=0.6560044391080737"><br><br><span><strong>四、实验探究(本题共5小题,共40分)</strong></span><br><br><span>1(7分)</span><span>下图为</span><span>蚕</span><span>豆幼苗和</span><span>蚕</span><span>豆种子的部分结构示意图,请据图回答下列问题</span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0708/201478153729.jpg?m=0.7276438167318702"><br><br>(1)在蚕豆种子中,<span style="text-decoration: underline;"> </span><br><br><span>是</span><span>有生命的</span><span>,</span><span>可以</span><span style=" visibility:hidden; ">受精卵</span><span style=" visibility:hidden; "></span><br><br><span>发育成</span><span>一株植物。</span><br><br><span>(2)[</span><span>4</span><span>]</span><span>是种子的</span><span style=" text-decoration:underline ; "> </span><span>,作用是</span><span style=" text-decoration:underline ; "> </span><span>。</span><br><br><span>(3)[7]是由</span><span>图中蚕</span><span>豆种子的</span><span>﹝ ﹞</span><span style=" text-decoration:underline ; "> </span><span style=" visibility:hidden; ">2胚</span><span>发育成的,[8]是由</span><span>图中蚕</span><span>豆种子的</span><span>﹝ ﹞</span><span style=" text-decoration:underline ; "> </span><span> 发育成的</span><span>。(括号内填图中序号,横线上填名称)</span><br><br><span>2</span><span>(共12分)实验课上,在小明的实验桌上摆放着如下两组实验器材:</span><span style=" font-weight:bold; "> </span><span style=" font-weight:bold; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0708/201478153830.jpg?m=0.7551361585501581"><br><br><span>(1)(6分)请你帮小明设计两种不同的连接方式点亮小灯泡(用线在A组,B组实验器材中各画一种)。</span><br><br><span>(2)(6分)请介绍你的设计思路: A组实验器材的连接方式是_______;B组实验器材的连接方式是_________;连接好后,____________(填“A组”或“B组”)的小灯泡会比较亮。</span><br><br><span>3</span><span>(11分)</span><span>小明把一块面包分成两片,</span><span> 上</span><span>面</span><span>各</span><span>滴十滴自来水</span><span>,第一片</span><span>放</span><span>入</span><span>保鲜袋,扎紧袋口,放</span><span>在</span><span>冰箱里;</span><span>第二片</span><span>放</span><span>入</span><span>保鲜袋,扎紧袋口,放在厨房;</span><span>下面是他这几天的观察记录情况。</span><div><br>
<table width="100%" border="1"><tbody><tr><td><br> <br></td><td><br>第一片面包<br><br>(潮湿低温)<br></td><td><br>第二片面包<br><br>(潮湿温暖)<br></td></tr><tr><td><br>2.21-2.26<br></td><td><br>没有变化<br></td><td><br>没有变化<br></td></tr><tr><td><br>2.27<br></td><td><br>没有变化<br></td><td><br>长出几个白色小霉点。<br></td></tr><tr><td><br>2.28<br></td><td><br>没有变化<br></td><td><br>霉点变大,颜色变深,四周有白晕。<br></td></tr><tr><td><br>2.29<br></td><td><br>没有变化<br></td><td><br>霉点增多,四周有鹅黄晕,有酸臭味。<br></td></tr></tbody></table>
<br><span>(1)小明是在研究霉菌的生长与</span><span style=" text-decoration:underline ; "> </span><span>有关的实验,他用的是 </span><span style=" text-decoration:underline ; "> </span><span>实验方法,实验中改变的条件是</span><span style=" text-decoration:underline ; "> </span><span>。</span><br><br><span>(2)第二片面包上长出来的小霉点是</span><span style=" text-decoration:underline ; "> </span><span>,它是一种</span><span style=" text-decoration:underline ; "> </span><span>生物,实验结果说明它喜欢</span><span style=" text-decoration:underline ; "> </span><span>的环境,它同时还喜欢</span><span style=" text-decoration:underline ; "> </span><span>的环境。</span><br><br><span>(3)小明如果想检验面包中是否含淀粉这种营养成分,他可以在面包上滴加</span><span style=" text-decoration:underline ; "> </span><span>,看是否变</span><span style=" text-decoration:underline ; "> </span><span>色 。</span><br><br><span>(4)以储存鱼为例,请说说怎样才能减慢食物变质的速度?</span><br><br><span style=" text-decoration:underline ; "> </span><span style=" text-decoration:underline ; "></span><br><br><span>4(10分)小明对一块岩石观察后的记录如下:</span><br><br><span> 岩石外形为长方体,观察发现花斑状花纹,不透明,由黑、白、肉红等颜色的颗粒组成,触摸感觉粗糙且颗粒较粗;闻上去没有气味;用小铁棍轻轻敲打会发出低沉的声音;通过观察发现岩石的硬度属于硬;用放大镜没有看到岩石里有空隙;放入水中没有冒出小气泡。</span><br><br><span>(1)小明观察这块岩石用到的感觉器官有:_______、________和__________。</span><br><br><span>(2)你猜测小明观察岩石的硬度时会用 </span><span style=" text-decoration:underline ; "> </span><span> 、</span><span style=" text-decoration:underline ; "> </span><span> 、</span><span style=" text-decoration:underline ; "> </span><span>工具。</span><br><br><span>(3)分析观察记录,我认为这块岩石是________。组成岩石的黑色颗粒是 </span><span style=" text-decoration:underline ; "> </span><span>,白色颗粒是</span><span style=" text-decoration:underline ; "> </span><span> ,肉红色颗粒是</span><span style=" text-decoration:underline ; "> </span><span> 。</span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">深圳市罗湖区2014年小学四年级科学参考答案及评分标准的细则</font></strong></div><br><strong><span>一、</span><span style=" font-family: 宋体;">选择题(每小题</span><span style=" font-family: ‘Times New Roman‘;">2</span><span style=" font-family: 宋体;">分,共</span><span style=" font-family: ‘Times New Roman‘;">40</span><span style=" font-family: 宋体;">分。选对得</span><span style=" font-family: ‘Times New Roman‘;">2</span><span style=" font-family: 宋体;">分,选错不得分)</span></strong></div><div><font face="宋体"><br></font>
<table width="100%" border="1"><tbody><tr><td><br>题序<br></td><td><br>1<br></td><td><br>2<br></td><td><br>3<br></td><td><br>4<br></td><td><br>5<br></td><td><br>6<br></td><td><br>7<br></td><td><br>8<br></td><td><br>9<br></td><td><br>10<br></td><td><br>11<br></td><td><br>12<br></td><td><br>13<br></td><td><br>14<br></td><td><br>15<br></td><td><br>16<br></td><td><br>17<br></td><td><br>18<br></td><td><br>19<br></td><td><br>20<br></td></tr><tr><td><br>答案<br></td><td><br>C<br></td><td><br>B<br></td><td><br>D<br></td><td><br>B<br></td><td><br>A<br></td><td><br>D<br></td><td><br>C<br></td><td><br>D<br></td><td><br>C<br></td><td><br>B<br></td><td><br>A<br></td><td><br>C<br></td><td><br>D<br></td><td><br>A<br></td><td><br>C<br></td><td><br>A<br></td><td><br>B<br></td><td><br>B <br></td><td><br>D<br></td><td><br>C<br></td></tr></tbody></table>
<br><span style=" font-family: 宋体;"><strong>二、判断题(每小题1分,共11分)</strong></span></div><div><font face="宋体"><br></font>
<table width="100%" border="1"><tbody><tr><td><br>题序<br></td><td><br>1<br></td><td><br>2<br></td><td><br>3<br></td><td><br>4<br></td><td><br>5<br></td><td><br>6<br></td><td><br>7<br></td><td><br>8<br></td><td><br>9<br></td><td><br>10<br></td></tr><tr><td><br>答案<br></td><td><br>×<br></td><td><br>√<br></td><td><br>√<br></td><td><br>×<br></td><td><br>×<br></td><td><br>×<br></td><td><br>×<br></td><td><br>×<br></td><td><br>√<br></td><td><br>√<br></td></tr></tbody></table>
<br><span style=" font-family: ‘Times New Roman‘;"><br></span><span style=" font-family: 宋体;">三、</span><span>连线题(本题共2小题,共</span><span>1</span><span>0分,每连对一线得1分)</span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0708/20147815408.jpg?m=0.8974395061377436"><br><br><span><strong>四、实验探究(本题共5小题,共39分)</strong></span><br><br><span>1、(每空1分,共7分) </span><span>(</span><span>1</span><span>)</span><span style=" visibility:hidden; ">伸长区细胞体积的增大</span><span style=" visibility:hidden; "></span><br><br><span>.</span><span>胚 (2) 子叶 储存营养</span><br><br><span>(3)﹝2﹞</span><span style=" text-decoration:underline ; "> </span><span style=" text-decoration:underline ; ">胚芽</span><span style=" text-decoration:underline ; "> </span><span>﹝3﹞</span><span style=" text-decoration:underline ; "> </span><span style=" text-decoration:underline ; ">胚根</span><span style=" text-decoration:underline ; "> </span><span>(括号内序号与名称各1分,对1个得1分)</span><br><br><span style=" font-family: 宋体;">2、(共12分)(1)(共6分,每连对一组得3分,A、B组任意一个串联一个并</span><span style="font-family: 宋体;">联即</span><span style="z-index: 1; left: 0px;"></span><span style="z-index: 1; left: 0px;"></span><span style="z-index: 1; left: 0px;"></span><span style="z-index: 1; left: 0px;"></span><span style="font-family: 宋体;">可,错一处不得分)</span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0708/20147815412.jpg?m=0.5144837843254209"><br><br><span>(2) (每空2分,共6分,) 串联(或并联); 并联(或串联); B组(或A组)</span><br><br><span>3、(每空1分,共11分)</span><span>(1)温度 对比(或对照) 温度 (2)霉菌 微 温暖 潮湿 (3) 碘酒 蓝 (4)破坏微生物生长的条件,如晒干、冷冻、腌制、真空包装、密封包装、高温或低温灭菌(2分,答对1种办法得1分,最多2分)</span><br><br><span>4、(每空1分,共10分)(1)眼 鼻 耳 (2) 指甲 铜钥匙 小刀。</span><br><br><span> (3)花岗岩 云母 石英 长石 </span><br><br></div>
四年级下