Sitting still and passively watching the same old experiments that they've done since middle school won't help high school students to engage in the science curriculum. Whether you teach biology, chemistry, physics or a specialty science class, you can inspire your students to learn through a ...
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...
Chemistry experiments are fun, dangerous if not done properly. A. and B. but C. or D. so 相关知识点: 试题来源: 解析 B。本题考查并列连词 but 的用法,表示转折。化学实验有趣但是如果操作不当会很危险。选项 A“and”表示并列;选项 C“or”表示选择;选项 D“so”表示因果。
Make Chemistry fun with experimentsA woman in a lab coat stands at the front of a class and says, “Do you like science?"The childrenanswer loudly,"Yes!" Then the woman puts hot water into a bucket of liquid nitrogen(一桶液氮); acloud of nitrogen gas flls the front of the room as...
I am always interested in experiments(实验),especially chemistry ones.Experiments were fun for me until a recent accident.The accident happened when I was heating a big test tube (试管),talking to my partner while waiting for chemical changes.All of a sudden,the tube broke.Even though I jump...
The classic volcano is the old-school chemistry lab volcano, which is also known as Vesuvius Fire. The mixture glows and gives off sparks as it decomposes, and makes its own cinder cone of green ash. The compounds used in the classic volcano are toxic, so this is a chemistry lab demonstr...
A Classified Introduction to a Series of Fun Chemistry Ink rnExperiments"隐形墨水"、"无字天书"是经典的趣味化学实验。一般是利用无色酚酞试液在白纸上写字,再利用碱液使其显色。另一方法是用淀粉溶液与碘溶液的显色反应。对于初学化学的学生,这种显色实验趣味无穷,可极大地调动他们学习化学的积极性。我们...
Edible Food Science Experiments Edible food science experiments offer a delicious and engaging way for students and teachers to explore scientific principles in a hands-on and memorable manner. By combining the fascinating world of food with the principles of chemistry, biology, and physics, these ex...
"I studied chemistry for three years, but I never even touched a test tube," one student told him. "I thought chemistry was really boring. But when I see you do these experiments, I suddenly realize that, wow, chemistry...
A. Experiments. B. English lessons. C. Science reports. D. Teaching advice.22. Which subject isn't included according to the topic section? A. Space. B. Chemistry. C. Plants. D. Geography23. Which section could help teachers with classroom activities? A. Topics. B. Fun Stuff. C. ...