Patrocinadores Principais
Faz doações para resolver os problemas sociais e ambientais mais graves enfrentados pela sociedade, onde o capital de risco, responsavelmente investido, pode fazer a diferença ao longo do tempo.
National Science Foundation
Uma agência federal independente criada pelo Congresso em 1950 para promover o progresso da ciência.
Universidade Rei Saud pretende tornar-se líder na inovação pedagógica e tecnológica, a descoberta científica e a criatividade através da promoção de uma atmosfera de inspiração intelectual e da parceria para a prosperidade da sociedade.
A Fundação O'Donnell é dedicada à construção de programas de modelos para melhorar a qualidade da educação.
Reagentes, Produtos e Reagentes em Excesso
Create your own sandwich and then see how many sandwiches you can make with different amounts of ingredients. Do the same with chemical reactions. See how many products you can make with different amounts of reactants. Play a game to test your understanding of reactants, products and leftovers. Can you get a perfect score on each level?
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Recursos Educativos
Tópicos Principais
- Reacções Químicas
- Reagentes Limitantes
Amostra das Metas de Aprendizagem
- Relate the real-world example of making sandwiches to chemical reactions.
- Describe what limiting reactant means using examples of sandwiches and chemicals at a particle level.
- Identify the limiting reactant in a chemical reaction.
- Use your own words to explain the Law of Conservation of Particles means using examples of sandwiches and chemical reaction.
- Predict the amounts of products and leftovers after reaction using the concept of limiting reactant.
- Predict the initial amounts of reactants given the amount of products and leftovers using the concept of limiting reactant.
- Translate from symbolic (chemical formula) to molecular (pictorial) representations of matter.
- Explain how subscripts and coefficients are used to solve limiting reactant problems.
Dicas para Professores
O guia para professores (pdf) contém dicas criadas pela equipa PhET.
Ideias para o Ensino
| Title | Authors | Level | Type | Updated |
|---|---|---|---|---|
Using PhET in High School Chemistry- all my activities in pdf
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Trish Loeblein | UG-Intro HS |
HW Demo CQs Lab |
08-05-2013 |
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Reactants, Products, and Leftovers Concept Questions
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Patricia Loeblein | HS UG-Intro |
CQs | 04-07-2011 |
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Reactants, Products, and Leftovers Activity 2: Limiting Reactants in Chemical Reactions Review
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Patricia Loeblein | UG-Intro HS |
Lab CQs HW |
05-12-2011 |
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Reactants, Products, and Leftovers Activity 2: Limiting Reactants in Chemical Reactions
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Patricia Loeblein | HS UG-Intro |
Lab HW CQs |
04-07-2011 |
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Reacciones químicas
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Silvia Calderón | HS | Lab CQs |
09-07-2011 |
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Reactants, Products and Leftovers Activity 1: Intro to Chemical Reactions and Limiting Reactants
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Trish Loeblein | UG-Intro MS HS |
HW CQs Lab |
21-08-2012 |
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Limiting Reactants
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Kelly Lancaster, Kathy Perkins | UG-Intro HS |
HW CQs Lab |
21-03-2011 |
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Concept Questions for Chemistry using PhET
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Trish Loeblein | UG-Intro MS HS |
CQs | 08-05-2013 |
| Basic Stoichiometry Lab | Chris Bires | HS | Lab HW |
22-02-2011 |
Você pode submeter as suas ideias e actividades.
Versões Traduzidas:
Requisitos de Software
| Windows | Macintosh | Linux |
|---|---|---|
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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
| Equipa de Design | Bibliotecas de Terceiros | Agradecimentos Para |
|---|---|---|
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