设空处为小标题;根据下文中“When you want to prove a theory true or false, create an experiment that will test one thing you can observe. You have an idea that if you set up a controlled situation and purposely change only one thing, this change will cause something else to happen.(当...
3.We can test a hypothesis by ___. A.asking a question B.doing research C.doing experiment 4.To the question we ask, we can always have a ___in the end. A.perfect answer B.useful result C.new invention 5.We need___ steps in all when we use the scientific method of inquiry. ...
题目To test a hypothesis, scientists often conduct ___. A. guesses B. surveys C. experiments D. speculations 相关知识点: 试题来源: 解析 C。为了测试一个假设,科学家经常进行实验。“guesses”猜测,“surveys”调查,“speculations”推测,都不是测试假设的主要方法。反馈 收藏...
59 We can test a hypothesis by " ".A . asking a questionB . doing researchC . doing experiment 60 To the question we ask, we can always have a in the end.A . perfect answerB . useful resultC . new invention 61 We need steps in all when we use the scientific method of inquiry...
百度试题 结果1 题目The scientists conducted a series of ___ experiments to test their hypothesis. A. arbitrary B. rigorous C. obsolete D. trivial 相关知识点: 试题来源: 解析 B 反馈 收藏
Over the years, I found that animations aren't just useful for communicating an idea, but they're also really useful for exploring a hypothesis. Biologists for the most part are still using a paper and pencil to visualize the processes they study, and with the data we have now, that's ...
59.We can test a hypothesis byC. A.asking a question B.doing research C.doing experiment 60.To the question we ask,we can always have aBin the end. A.perfect answer B.useful result C.new invention 61.We needC steps in all when we use the scientific method of inquiry. ...
Scientists study the natural world by using the "scientific method". When a scientist observes some phenomenon(现象)in nature he develops an idea, called a theory or hypothesis(假设). Then he does an experiment to test his hypothesis. If the results are as expected, then the experiment confir...
Ideally scientists make observations, formulate hypotheses (假设), and test those hypotheses by making further observations. When there is difference between what is observed and what is predicted by the hypothesis, the hypothesis is revised. Science proceeds in this way, which is a gradual method ...
Unit 1 Science and Scientists Assessing Your Progress P10 新人教版选择性必修Book 2 Learning objectives consolidate what you have learned by doing exercises to test your study of vocabulary; go over grammar by doing some exercises ; assess what you have learned on grasping the content of this uni...