Principais Patrocinadores
Concede axudas dirixidas aos máis serios problemas sociais e ambientais que enfronta a sociedade, onde o capital de risco, e os investimentos responsables, poden marcar a diferenza no tempo.
National Science Foundation
Unha axencia federal independente creada polo Congreso de EEUU en 1950 para promover o progreso da ciencia.
A King Saud University busca converterse en lider en innovación tecnolóxica e educativa, e creatividade, descubrindo a ciencia a través dunha atmosfera de inspiración e compañerismo para a prosperidade da sociedade.
A O'Donnell Foundation está adicada a construir programas modelo para aumentar a cualidade da educación.
Lab Lei de Beer
“The thicker the glass, the darker the brew, the less the light that passes through.” Make colorful concentrated and dilute solutions and explore how much light they absorb and transmit using a virtual spectrophotometer!
|
Ver Abaixo
Recursos para o ensino
Temas Principais
- Lei de Beer
- Solucións
- Concentración
- Molaridade
- Luz
- Absorbancia
- Transmitancia
- Espectrofotometría
Obxectivos de Aprendizaxe
- Describe the relationships between volume and amount of solute to solution concentration
- Explain qualitatively the relationship between solution color and concentration
- Predict and explain how solution concentration will change for adding or removing: water, solute, and/or solution
- Calculate the concentration of solutions in units of molarity (mol/L)
- Design a procedure for creating a solution of a given concentration
- Identify when a solution is saturated and predict how concentration will change for adding or removing: water, solute, and/or solution
- Describe the relationship between the solution concentration and the intensity of light that is absorbed/transmitted
- Describe the relationship between absorbance, molar absorptivity, path length, and concentration in Beer’s Law
- Predict how the intensity of light absorbed/transmitted will change with changes in solution type, solution concentration, container width, or light source, and explain why
Consellos para Profesores
A guía de profesores (pdf) contén consellos creados polo equipo PhET.
Ideas para o Ensino
| Título | Autores | Nivel | Tipo | Actualizado |
|---|---|---|---|---|
Beer's Law Warm-Up
|
Julia Chamberlain | BAC U-Inicio |
Deb | 3/28/13 |
|
Concentration and Beer's Law Investigation
|
Julia Chamberlain, Susan Hendrickson | U-Inicio BAC |
Outro Deb |
3/28/13 |
| Beer의 법칙 사용지침서(User Manual) | 이화국(Wha Kuk Lee) | Outro | Outro | 5/1/13 |
| Beer's Law Lab: Introduction to Beer's Law | Joel Barthel | BAC U-Inicio |
Lab | 2/2/13 |
Ti podes enviar as túas propias ideas e actividades.
Simulaciós relacionadas
Versións Traducidas:
Requirementos de Software
| Windows | Macintosh | Linux |
|---|---|---|
|
Microsoft Windows
XP/Vista/7 Sun Java 1.5.0_15 or later |
OS 10.5 or later
Sun Java 1.5.0_19 or later |
Sun Java 1.5.0_15 or later |
Créditos
| Equipo de Deseño | Biliotecas externas | Agradecementos |
|---|---|---|
|
|
|