f.e.m de las pilas

M. Guadalupe Santos
Age range: 
14-16, 16-18
Language: 
Spanish
Level of difficulty: 
Medium
Level of interaction: 
High
Average learning time: 
3 didactic hours
Access rights: 
Creative Commons Attribution (CC BY)
Description: 

En este ILS el alumno investiga de qué  variables depende la f.e.m de una pila  y cómo depende de ellas. Sigue las fases propias del método científico y una vez ha formulado las hipótesis, utiliza  un laboratorio virtual para contrastarlas y sacar las conclusiones correspondientes.

Our objective is to study the variation of cell potential with change in the concentration of electrolytes  at room temperature. Students understand the terms, electrochemical cell, electrolytic cell, Daniell cell, salt bridge, EMF. Students acquire the skill to construct a Daniell cell. Students understand the significance of salt bridge. Students acquire the skill to calculate the electrode potential of a half cell and full cell using the Nernst equation. Students acquire the skill to measure the EMF of a cell by viewing animation & simulator. Students understand how the electrode potential of a given cell varies with the concentration of electrolytes in the anodic and cathodic half cell.

 

 

Inquiry Learning Phases: 
Bienvenid@ ()
Orientación (Orientation)
Conceptualización (Conceptualisation)
Apps in use: 

The Hypothesis Tool helps learners formulate hypotheses. Predefined domain terms can be combined to form a hypothesis, using drag and drop. Learners can also add their own terms using the Type your own box. As a teacher you can change the...Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget

The Questioning Scratchpad helps learners formulate research questions. In addition to free text editing, pre-defined domain terms are offered to support them. As a teacher you can change the configuration of this tool. In the configuration menu...Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget

The observation tool allows students to record observations made while preparing, conducting and analyzing experiments. Observations, together with data analyses, can later be retrieved in the conclusion tool as a basis for drawing conclusions....Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget
Investigación (Investigation)
Labs in use: 

Our objective is to study the variation of cell potential of Zn│Zn2+ ││Cu2+│Cu cell with change in the concentration of electrolytes (CuSO4 and ZnSO4) at room temperature. Students understand the terms, electrochemical cell, electrolytic cell,...Read more

Lab owner: 
Prema Nedungadi
Language: 
English
Age range: 
12-14, 14-16, 16-18
Apps in use: 

The Experiment Design Tool (EDT) supports planning scientific experiments and recording the results observed. Learners can define several experiment designs from the given set of properties and measures, and enter the values obtained from the...Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget

The observation tool allows students to record observations made while preparing, conducting and analyzing experiments. Observations, together with data analyses, can later be retrieved in the conclusion tool as a basis for drawing conclusions....Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget
Conclusión (Conclusion)
Apps in use: 

In the conclusion tool the learners can check whether the results of experiments in the form of data graphs and/or observations support their hypotheses from the hypothesis scratchpad or are relevant for the questions posed in the question...Read more

Category: 
Go-Lab inquiry apps
App type: 
OpenSocial gadget
Discusión (Discussion)
Educational objective: 

 

Scenario: 

4º ESO -1º Bachillerato - 2º Bachillerato

Organisational requirements: 

Ordenadores en el aula y conexión a internet.

 

Students' prior knowledge: 
Número de oxidación; reacciones redox; oxidante; reductor; oxidación; reducción; pares redox
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