A. An experiment is a test to always support the hypothesis. B. An experiment does not have to be part of the scientific method. C. An experiment is a test to either challenge or support a hypothesis. D. An experiment is only used when scientists are trying to prove a hypothesis. 相关...
根据第2段"There are usually four steps in the scientific method,including observation (观察),hypothesis (假设),experiment,and conclusion. "(科学方法通常有四个步骤,包括观察、假设、实验和结论。)可知,科学方法通常有四个步骤,包括观察、假设、实验和结论,故选D。(2)细节理解题。根据第3段"The second ...
There are usually four steps in the scientific method, including observation (观察), hypothesis (假设), experiment, and conclusion. The steps may not always be completed in the same order, but the first step is usually observation and asking a question about your observation. For example, you...
If it does not support the hypothesis, you may choose to change the hypothesis or write a new one based on what was learned during the experiment. (1) Which sentence best expresses the main idea of the passage? A . How do the four basic steps in the scientific method work? B . ...
If it does not support the hypothesis, you may choose to change the hypothesis or write a new one based on what was learned during the experiment.66 、67题完成句子;68~70题简略回答问题。very difficult experiments66. The scientific method is used for simple experiments or67. The scientific ...
There are usually four steps in the scientific method, including observation (观察), hypothesis (假设), experiment, and conclusion. ②The steps may not always be completed in the same order, but the first step is usually observation and asking a question about your observation. For example, ...
Below is a description of a single scientific experiment. It shows us how iron(铁) reacts (反应) with air and with water.Aim: To find out if iron rusts(生锈) (a) in dry air; (b) in water that has no air in it (air-free water) ; (c) in common water.Materials: Some clean...
Below is a description of a single scientific experiment.It shows us how iron reacts ( 反应) with air and with water. Aim:To find out if iron rusts( 生锈) (a) in dry air; (b) in water that has no air in it ( air-free water);(c) in ordinary water. Materials:3clean iron ...
Passage BA Simple Scientific ExperimentBelow is a desription of a simple scienifc experiment.【4】 Itshows us how iron reacts with ar and with water [5【4】本句是完全倒装句;正常语序为 A description of..experiment is below,主语为 A description,is below是系表结构。【5】本句中It是主语,show...
This chapter offers a simple experiment for you to run, just to see what it's like. You don't need to wear a lab coat or to a spill a bowl of alphabet soup after your name. The scientific method just means doing things carefully so as to make sure that you are only measuring ...