A. To prove a theory is always right B. To collect data and test hypotheses C. To make things look interesting D. To waste time 相关知识点: 试题来源: 解析 B。解析:科学实验的目的是收集数据并检验假设。A 选项说证明一个理论总是正确的,这是不准确的,科学是不断发展的;C 选项让事情看起来...
Making a hypothesis C. Identifying the problem D. Analyzing results 相关知识点: 试题来源: 解析 C。本题考查科学实验的步骤。科学实验的第一步是确定问题,所以答案是 C。A 选项收集数据是在实验过程中进行的;B 选项提出假设是在确定问题之后;D 选项分析结果是实验的最后一步。反馈 收藏 ...
Change the data to make it support the hypothesis C. Re - evaluate the hypothesis and the experimental design D. Ignore the result and continue with the original hypothesis 相关知识点: 试题来源: 解析 C。解析:当实验结果不支持初始假说时,科学家应该重新评估假说和实验设计。A选项立即放弃研究过于...
A. To be ignored. B. To show the effect of the independent variable. C. To prove the hypothesis wrong. D. To make the E. xperiment more complicated. 相关知识点: 试题来源: 解析 B。解析:对照组的目的是显示自变量的影响。选项 A 不对,对照组不是被忽略的;选项 C 错误,对照组不是为了证明...
A. Conducting the experiment B. Collecting data C. Analyzing results D. Reporting the findings 相关知识点: 试题来源: 解析 D。科学实验的最后一步是报告结果,所以答案是 D。A 选项进行实验、B 选项收集数据和 C 选项分析结果都在报告结果之前。反馈 收藏 ...
In a scientific experiment, if the result is contrary to the expected one, what should scientists do? A. Ignore it and continue with the next experiment. B. Repeat the experiment to check for errors. C. Change the data to fit the expectation. D. Publish the result immediately. 相关知识...
In a scientific experiment, after identifying a problem, what should be done next? A. Draw a conclusion B. Make an observation C. Form a hypothesis D. Analyze the data 相关知识点: 试题来源: 解析 C。解析:在识别问题之后,下一步应该是形成假设。选项 A 得出结论是在实验后期;选项 B 进行观察...
In the process of a scientific experiment, what is the correct order after stating the purpose? A. Setting up the equipment. B. Deciding on the variables. C. Recording the data. D. Presenting the findings. 相关知识点: 试题来源: 解析 B。在科学实验过程中,说明目的后应该确定变量,然后设置...
A. To compare with the experimental group B. To make the experiment more complicated C. To waste time D. To make the E. xperiment more interesting 相关知识点: 试题来源: 解析 A。在科学实验中,对照组的作用是与实验组进行比较。B 选项“使实验更复杂”错误;C 选项“浪费时间”错误;D 选项“使...
What is the purpose of a scientific experiment? A. To prove a theory is always right B. To show off one's skills C. To test a hypothesis D. To create confusion 相关知识点: 试题来源: 解析 C。本题考查科学实验的目的。科学实验的目的是检验假设。