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青岛版四年级下册期末科学测试

04-03 23:44:59| http://www.ertong6.com |四年级科学试卷|人气:596
青岛版四年级下册期末科学测试四年级科学试卷,

一、填空

1、一般情况下,物体具有(             )的性质。液体温度计是根据(                                                                                                                                                                                  

2、花岗岩是由(         )、(          )、(          三种矿物组成的。                                                                                                                                                                         

3、岩石在自然界当中,受到(            )、(           )、水流冲击、风吹日晒等因

素,会发生破碎,这种现象叫做风化。                                                                                                                                                                        

4、人们按照土壤中含沙量的多少把土壤分为三类:含沙量较多的土叫(            );沙和

黏土含量适中的土壤叫(           )。                                                                                                                                                     

5、发光的物体叫(          )。光是沿(         )传播的。                                                                                                                                                                         

6、平面镜能使(                    )发生改变。    

 7 一个物体的位置需要(                            )来确定。        

  8、地球是一个很大的(         )体。人们把地球分为(        )带                                                  

9 由于(               ),所以会发生筷子“折”了、鱼变大了和海市蜃楼等现象。                                                        

                                                                                                                                                                         

10、(               )使物体受到的力叫重力,重力的方向是(              )。                                                           

二、判断题

1、岩石经过不断的风化最终将变成沙子。                (      )                                                                                                                                                        2、相同情况下,固体受热膨胀体积最多,液体较多,气体较少            (                                                                                                                                                             3、使用放大镜时,距离物体越近,观察的就越清晰。                   (        )                                                 4、手指甲刻画后留有痕迹的岩石较软。             (     )                                                                                                                                                                                                                                                                                                                                     5、红色、黄色、蓝色是色光的三原色。              (      )                                                                                                                                                    不同的土壤中植物的生长情况不--样。                               (         )  

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