4年级科学:科学程序技能2
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Medium
MA Moe
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14 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
凯琪:水和食油,哪个的密度比较高?
惠文:食油会浮在水面上,因此水的密度较高。
惠文应用了哪项科学程序技能?
假设
预测
观察
推断
Answer explanation
对于进行观察后所作出的解释就是在作出t推断。
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
哪项有关上表资料的诠释是正确的?
冰块X的体积最小
冰块X完全融化的时间最长
冰块Z完全融化的时间最长
Answer explanation
书柜里的温度较低,冰块Z需较长时间融化。
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
根据这项实验,所能作出的假设是什么?
周围的温度越高,冰块完全融化的时间越短
周围的温度越高,冰块完全融化的时间越长
冰块的体积越大,冰块完全融化的时间越长
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
文辉将苹果、橙和柠檬放进箱子M。然后,他将胡萝卜、卷心菜和菜心放进箱子N。文辉应用了哪项科学程序技能?
实验
推断
分类
观察
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
明杰在稍早前经历了什么事情?
明杰出席了一场演唱会
明杰到公园去跑步
明杰和朋友到户外写生
明杰参与了一项常识比赛
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
我们如何确定物质的化学性质?
观察测试物质后石蕊试纸的颜色变化
观察物质是否能让灯泡发亮
观察物质被拉扯后的情况
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
为什么我们在进行试验时必须正确地运用科学程序技能?
为了能更快地完成实验
为了获取更准确的实验结果
为了获取各种不一样的实验结果
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