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| #[http://www.youtube.com/watch?v=CN-wjj_phVA Thomas Young's Double Slit Experiment] | | #[http://www.youtube.com/watch?v=CN-wjj_phVA Thomas Young's Double Slit Experiment] |
| | | |
− | ===Activity No # 1 - Simulation of double slit experiment=== | + | ===Activity No # 1- Reflection, Refraction and Diffraction as waves=== |
| + | {| style="height:10px; float:right; align:center;" |
| + | |<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;"> |
| + | ''[http://karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div> |
| + | |} |
| + | The objective is to demonstrate how we can explain the phenomena of light - reflection, refraction - through the wave model. |
| + | The teacher must reconcile the rays to the wave model. |
| + | * '''Estimated Time''' - 40 minutes |
| + | * '''Materials/ Resources needed'''<br> |
| + | Computer, Projector, Blackboard |
| + | * '''Prerequisites/Instructions, if any'''<br> |
| + | Simulation of the double slit experiment |
| + | * '''Multimedia resources''' |
| + | * '''Website interactives/ links/ simulations''' |
| + | {|class="wikitable" |
| + | |- |
| + | |[[File:Reflection_and_refraction.png|300px|link=http://www.olympusmicro.com/primer/java/reflection/huygens/index.html]] |
| + | |[[File:diffraction.png|300px|link=http://www.olympusmicro.com/primer/java/diffraction/index.html]] |
| + | |} |
| + | <br>Source:[http://www.olympusmicro.com/ Olympus Microscopy Centre] |
| + | * '''Process (How to do the activity)''' |
| + | After discussing the simulation, explain the process of reflection and refraction in waves |
| + | * '''Developmental Questions (What discussion questions)''' |
| + | #Have you seen any waves? |
| + | #When they encounter an obstruction what do they do? (They bounce back, they bend around, etc_ |
| + | #In this image, what do you see happening to the wavefronts - they get reflected, they get refracted |
| + | #How can we represent this using a ray diagram? |
| + | * '''Evaluation (Questions for assessment of the child)''' |
| + | Observe the student response to above questions |
| + | * '''Question Corner''' |
| + | |
| + | |
| + | ===Activity No # 2 - Simulation of double slit experiment=== |
| {| style="height:10px; float:right; align:center;" | | {| style="height:10px; float:right; align:center;" |
| |<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;"> | | |<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;"> |
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| * '''Question Corner''' | | * '''Question Corner''' |
| | | |
− | ===Activity No # 2- Explain the double slit experiment=== | + | ===Activity No # 3- Explain the double slit experiment=== |
| {| style="height:10px; float:right; align:center;" | | {| style="height:10px; float:right; align:center;" |
| |<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;"> | | |<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;"> |
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| #The interaction between two waves is called interference | | #The interaction between two waves is called interference |
| #This can be constructive or destructive interference | | #This can be constructive or destructive interference |
− | * '''Evaluation (Questions for assessment of the child)'''
| |
− | Observe the student response to above questions
| |
− | * '''Question Corner'''
| |
− |
| |
− | ===Activity No # 3- Reflection, Refraction and Diffraction as waves===
| |
− | {| style="height:10px; float:right; align:center;"
| |
− | |<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">
| |
− | ''[http://karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
| |
− | |}
| |
− | The objective is to demonstrate how we can explain the phenomena of light - reflection, refraction - through the wave model.
| |
− | The teacher must reconcile the rays to the wave model.
| |
− | * '''Estimated Time''' - 40 minutes
| |
− | * '''Materials/ Resources needed'''<br>
| |
− | Computer, Projector, Blackboard
| |
− | * '''Prerequisites/Instructions, if any'''<br>
| |
− | Simulation of the double slit experiment
| |
− | * '''Multimedia resources'''
| |
− | * '''Website interactives/ links/ simulations'''
| |
− | {|class="wikitable"
| |
− | |-
| |
− | |[[File:Reflection_and_refraction.png|200px|link=http://www.olympusmicro.com/primer/java/reflection/huygens/index.html]]
| |
− | |[[File:diffraction.png|200px|link=http://www.olympusmicro.com/primer/java/diffraction/index.html]]
| |
− | |}
| |
− | <br>Source:[http://www.olympusmicro.com/ Olympus Microscopy Centre]
| |
− | * '''Process (How to do the activity)'''
| |
− | After discussing the simulation, explain the process of reflection and refraction in waves
| |
− | * '''Developmental Questions (What discussion questions)'''
| |
− | #Have you seen any waves?
| |
− | #When they encounter an obstruction what do they do? (They bounce back, they bend around, etc_
| |
− | #In this image, what do you see happening to the wavefronts - they get reflected, they get refracted
| |
− | #How can we represent this using a ray diagram?
| |
| * '''Evaluation (Questions for assessment of the child)''' | | * '''Evaluation (Questions for assessment of the child)''' |
| Observe the student response to above questions | | Observe the student response to above questions |