Hybridisation (sp, sp2, sp3) e-learning package

Subject: 9647 H2 Chemistry
Unit: Organic Chemistry 
Topic: Introductory Topics_Hybridisation

Pre-requisite Knowledge
Students should already possess the content knowledge of
- the shapes of s and p orbitals (Atomic Structure)
- covalent bonding in terms of orbital overlap, giving sigma and pi bonds (Chemical Bonding)
- the limitations of VSEPR theory and hence the need for the hybridization theory (Chemical Bonding)

Learning Objectives
At the end of this learning package, students should be able to
(i) describe the 3 forms of hybridisation (sp3, sp2, sp) in methane, benzene and beryllium chloride using hybridisation theory.
(ii) apply the hybridization theory to explain the shapes and bond angles of molecules.

VoiceThread web link (4 individual segments: Intro, sp, sp2, sp3, Summary)
http://voicethread.com/share/2247440/

This marks my maiden effort at creating a video using iMovie on my MacBook. iMovie is simply amazing due to its user-friendliness and elegant effects. I guess that is the magical aspect of Apple; the essence of complexity wrapped in plain simplicity.  The e-learning package is made by merging multiple edited videos from various online sources and incorporating slides with scaffolding 'Pause and Ponder' questions, so as to customise it for the specific learning objectives above. 

The structure of the Hybridisation video is as such:

1) Introduction of s and p atomic orbitals

2) sp hybridisation 
    - 2D
    - 3D (beryllium chloride as example)
    - Formative assessment questions
3) sp2 hybridisation
    - 2D
    - 3D (benzene as example)
    - Formative assessment questions
4) sp3 hybridisation
    - 2D
    - 3D (methane as example)
    - Formative assessment questions
5) Summary
6) Summative assessment questions
    - How does the degree of hybridisation (sp, sp2 and sp3) affect the bond angle?
    - What are the differences between atomic and hybrid orbitals?
7) Recommended sites for your exploration (Self-Directed Learning)

To bring this ICT endeavour one step further, the video is uploaded onto VoiceThread (http://voicethread.com/) which serves as an online platform for students to not only view but also comment on it. Very much like an audio forum, its unique feature lies in allowing students to share their thoughts and answers by recording their voice and/or doodling. Although it is an e-learning package for independent learning, elements of classroom discussion are infused as students can build on one another's pool of knowledge and also rectify the mistakes and misconceptions that inevitably develop along the way. This makes it more engaging and personal compared to it being shown on FaceBook or YouTube, where the discussion is only limited to writing. 

Hope this will prove to be useful to the JC Chemistry teachers out there. Please feel free to leave suggestions for improvements or even point out any mistakes. Your comments on this blog or my YouTube channel are most welcome! 


Stay tuned to more iCreaTions :)

References
www.mhhe.com/physsci/chemistry/essentialchemistry/flash/hybrv18.swf
www.youtube.com/watch?v=FfngYhl7ZmI
www.youtube.com/watch?v=g1fGXDRxS6k&feature=related
www.youtube.com/watch?v=1XgamPXNYXw&feature=related
www.youtube.com/watch?v=-EFEfVDUp6M
www.youtube.com/watch?v=H5gRGcguId8