Looking for fun, educational activities to do at home? This list of easy chemistry experiments and science activities will allow you to perform experiments withmaterialsyou likely already have in yourkitchen cupboards. Slime Dorling Kindersley / Getty Images You don't need esoteric chemicals and a ...
题目Chemistry experiments are very interesting ___. A. subjects B. activities C. books D. teachers 相关知识点: 试题来源: 解析 B。化学实验是非常有趣的活动。“activities”活动正确。“subjects”学科,“books”书,“teachers”老师,不合适。反馈...
pressure and temperature of a gas change under various conditions, and represent a cornerstone of chemistry and physics. A gas law experiment shows what happens to one property, such as the volume, when you change another, such as temperature, while keeping...
It's very important to have a serious 20 in chemistry class. Doing scientific experiments as a learner is no laughing matter.1. A. exciting B. moving C. dangerous D. difficult 2. E. success F. failure G. loss . waste 3. . but . except . besides . until 4. . incident . ...
I am always eager to do experiments, especially chemistry ones. It's___to work with test tubes and beakers(烧杯) , even though sometimes my efforts end in___Experiments were fun for me___a recent accident.The___happened when I was heating a big test tube with an alcohol burner(酒精...
A. Chemistry experiments are very dangerous. B. Chemical experiments are very perilous. C. Chymistry experiments are very hazardous. 相关知识点: 试题来源: 解析 A。选项 B 中“chemical”是形容词,表示化学的,不是“化学实验”的意思;选项 C 拼写错误,“化学”是“chemistry”。本题考查学科名称“chemi...
We can do chemistry experiments in the ___. A. classroom B. library C. laboratory D. playground 相关知识点: 试题来源: 解析 C。我们可以在实验室做化学实验。教室是上课的地方,图书馆是读书和借书的地方,操场是进行体育活动的地方。反馈 收藏 ...
Chemistry experiments are fun. However, they must be done carefully. A. As B. Because C. But D. Since 相关知识点: 试题来源: 解析 C。A 选项“As”表示“因为,随着”;B 选项“Because”表示“因为”;C 选项“But”表示“但是”,有转折之意;D 选项“Since”表示“自从,因为”。题干中说化学...
百度试题 结果1 题目1. I like doing experiments. So chemistry(化学) is my favorite subject. 相关知识点: 试题来源: 解析 答案见上【思路点拨】句意:我喜欢做实验。所以化学是我最喜欢的科目。作主语,用名词,故此处为chemistry. 反馈 收藏
The scientist spent all his spare time ___ experiments ___ chemistry.[ ]A. on; on B. in; of C. to do; about D. on doing; into 相关知识点: 试题来源: 解析 答案:A提示: experiment+on...“(...)的试验”;spend...on,“在……上花(时间/钱)”.反馈 收藏 ...