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Date: 2013.06.24
Posted by Lília Maria Braz (Portugal)
Message: FisQuiWeb is a very rich resource that is quite useful to me. It shows great diversity of tools (videos, laboratory experiments, notes, Nobel prizes, among others), which can be used in the classroom, either in physics or in chemistry at secondary level. However, it requires that students already have some previous knowledge of chemistry.
The tool I use the most are the videos, especially \"Chemical Equilibrium – LeChatelier Principle” because I think this video successfully presents the experimental results. In classroom practice it is not possible to obtain the \"true\" blue colour of the hexacobalt (II) cation, and the pink colour of the cobalt tetrachloride (II) anion, cobalt (II). With this video, students can watch the colour variation and relate the direction of the reaction with the temperature variation.
This resource enables the presentation of contents in an engaging and motivating way. Also, it shows that even the most difficult experiments are possible to be performed in the laboratory and, then, draw conclusions. Thus, students are more motivated to learn chemical contents and their learning becomes faster while students can have an autonomous work, evolving in their knowledge.
I believe this site is innovative, covering a wide range of tools to use in the classroom and allows interdisciplinary in chemistry teaching. It is user-friendly, not requiring much knowledge in terms of new technologies.
Anyway, the use of FisQuiWeb does not invalidate carrying out practical activities in the laboratory.
Date: 2012.09.27
Posted by Célia Bento (Portugal)
Message: Is the teaching resource described useful for you?Why?
One of the chapters of the Physics curriculum, from the 11th grade, is dedicated to the study of Snell's law and also to optical fibers. With this simulation / interactive experience, students can easily verify Snell's law. They can also observe the path of the light rays when it passes from a more refractile medium to a less refractile medium and vice versa.
Another possibility is to determine the critical angle beyond which the total reflection phenomenon will occur.
Do you think it can increase the students’ interest toward chemistry? Why?
Yes, because there are schools that do not have the necessary equipment to conduct an experiment of this kind, thus restricting the study to the equation of Snell's law and solving numerical exercises. This simulation is a good alternative because it is indeed quite illustrative of the phenomena in question.
Do you think it can help students to understand better and faster? Why?
I consider it a feature that can easily be used in class because the teacher can change the refractive indices of the media and students can immediately observe the different path of the light rays, approaching or moving away from the normal. The teacher can also draw two light rays and then ask students to measure the angles of incidence and refraction and, using the Snell's law, determine the refractive index of a given medium.
National Reports on successful experiences to promote lifelong learning for chemistry The national reports on chemistry successful experiences to promote lifelong learning for chemistry are now available on the related section of the project portal. The reports presents examples of successful experiences in the partner countries and the results of testing of ICT resources with science teachers.
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