A. Guessing B. Making assumptions C. Observing, hypothesizing, experimenting, analyzing D. Randomly choosing 相关知识点: 试题来源: 解析 C。科学方法包括观察、假设、实验、分析。A 选项“猜测”不准确;B 选项“做出假设”只是一部分;D 选项“随机选择”错误。反馈...
A. A new language learning method. B. A historical event. C. A space exploration. D. A cultural festival. 相关知识点: 试题来源: 解析 C。解析:听力中提到了太空探索作为科学成就的例子。选项 A 是语言学习方法,选项 B 是历史事件,选项 D 是文化节日,都与科学成就无关。反馈...
Scientific Method The scientific method uses a series of steps to establish facts or create knowledge. The overall process is well established, but the specifics of each step may change depending on what is being examined and who is performing it. The scientific method can only answer questions...
The scientific method uses a series of steps to establish facts or create knowledge. The overall process is well established , but the specifics of each step may change depending on what is being examined and who is performing it. The scientific method can only answer questions that can be ...
Scientists study the natural world by using"scientific method".When a scientist observes some phenomenon in nature,he develops an idea,called a theory or hypothesis (假设),about what is happening.Then he does an experiment to test his theory.If the results are as expected,then the experiment ...
A)Decision making.B)Communication.C)The use of scientific tools.D)Doing experiments.77. The underlined word "They"in Step 4 refers to(指的是)A)DogsB)Family membersC)ScientistsD)Neighbours78. What is the right order if the scientific method is used in the following example?A. You found ...
2Scientists study the natural world by using"scientific method".When a scientist observes some phenomenon in nature,he develops an idea,called a theory or hypothesis (假设),about what is happening.Then he does an experiment to test his theory.If the results are as expected,then the experiment...
How to investigate①PlanningDecide on a scientific problem to investigateFor example, a student named Mary has decidedto research into how quickly sugar dissolves(溶解) inwater.Write down your hypothesisYou may already have an idea of what you expectto happen in your investigation.This idea is ca...
11.Scientists study the natural world by using"scientific method".When a scientist observes some phenomenon in nature,he develops an idea,called a theory or hypothesis (假设),about what is happening.Then he does an experiment to test his theory.If the results are as expected,then the experimen...
It is the difference, for example between the academic papers with which Crick and Watson demonstrated the structure of the DNA molecule and the fascinating book The Double Helix in which Watson (1968) described how they did it. From this point of view, ’scientific method’ may more usefully...