A. changes into a different substance B. changes its taste C. changes its shape or size D. makes you sick 相关知识点: 试题来源: 解析 C。解析:“A physical change is when a substance changes its shape or size, but it is still the same substance.”。 反馈 收藏 ...
In a physical change ___ is formed. A. a new substance B. nothing new C. a piece of paper D. a piece of iron 相关知识点: 试题来源: 解析 选B 推理判断题。从文章第三、四段我们可以看出物理变化没有新的物质生成。反馈 收藏
A. Physical change B. Chemical change C. Biological growth D. Decomposition 相关知识点: 试题来源: 解析 C 答案:C 结束语 通过多次练习试题,学生可以熟悉考试的题型和难度,增强考试时的自信心。家长和老师应鼓励学生进行充分的练习,并在每次练习后进行详细的复习,以确保学生能够掌握所学知识。同时,保持良好的...
A physical change does NOT involve the formation of ___. A. new substances B. different states of matter C. smaller pieces of a substance D. changes in appearance 相关知识点: 试题来源: 解析 A。中文解析:物理变化不产生新物质,只是物质的状态、大小、外观等发生变化。反馈 收藏 ...
When water freezes, the change is also a physical one.The water changes from liquid to solid.But it is still the same substance.That is why the freezing of anything is a physical change. (1) It is not ___ if a new substance is not formed in the change. [ ] A...
英语翻译A physical change is any change that alters the form or appearance of matter but does not make any substance in the matter into a different substance.A change in matter that produces one or more new substances is a chemical change ,or a chemical reaction. 答案 物理变化是物质的状态或...
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Physical Change in Matter = Imagine that a piece of silver is pounded and molded into a heart-shaped pendant. This is an example of a physical change. Why? Only the shape of the silver has changed. The piece of silver is still silver. Instructional Approach(s): The teacher should present...
G.Dothisbylearningnewwordswithexamplesentences,notjustwordlists. 1. 2. 3. 4. 5. 高中英语 选择性必修 第二册 第61页 61 分钟能力强化组合练(十六) 一、阅读理解 阅读下列短文,从每题所给的 A、B、C、D四个选项中选出最佳选项。 A 语篇类型:说明文 主题语境:人与自然 词数:296 难度:★★★ (202...
In a physical change no new substance is formed. in the composition of matter.A.nor does any change take place B.nor any change takes place C.not any change takes place D.either any change takes place