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| Light Fantastic | YouTube. 6 mins Wonderfully dramatic introduction to the incredible history of light | 5 Star |
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Syllabus |
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OP33 |
Understand that light is a form of energy and that it can be converted to other forms |
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Solar Power: Used to melt steel |
Impressive. Youtube. Six minutes |
5 Star |
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Solar cooking home page |
It is what it says |
3 Star |
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OP34 |
Show that light travels in straight lines and explain how shadows are formed. |
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Light Sources, Reflection and Shadows. Flash required |
Useful introduction with Questions |
3 Star |
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Shadows |
Move the object or the screen to see the
effects |
3 Star |
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Shadow Theatre Act on Britain's Got Talent |
Youtube. 3 minutes |
5 Star |
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OP35 |
Understand that luminous objects are a source of light while non-luminous objects are seen as a result of light reflected from them. |
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OP36 |
Recall that white light is made up of different colours which can be separated by dispersion. |
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OP37 |
Produce a spectrum of white light using appropriate apparatus, and list the colours of the spectrum. |
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Dispersion by a Water Sprinkler
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Youtube. 2 minutes. I think this is why they say a little knowledge is a dangerous thing. |
5 Star |
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Dispersion in rainbows |
Slow-moving animation, but useful. |
3 Star |
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Another look at dispersion in rainbows |
Youtube. 4 minutes |
3 Star |
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| Light and Colour with Bill Nye | YouTube. 6 minutes | 4 Star |
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| The colours we see depend on physiology, not physics | I offer you exhibit A; the mantis shrimp | 5 Star |
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| What is color? | Ted-Ed: Colm Kelleher Youtube. 4 minutes | |||
OP38 |
Investigate the reflection of light by plane mirrors, and illustrate this using ray diagrams. |
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To show angle of Incidence = angle of reflection |
Simple but very useful introduction |
4 Star |
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Demonstrate and explain the operation of a simple periscope. |
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OP39 |
Show the refraction of light as it passes from: air to glass, air to water, glass to air, water to air. |
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| Nice (mis)application of refraction for spearing a fish | A planet scicast production. 3 mins | |||
| Overview | Click on the various 'Refraction' tabs for a nice interactive introduction |
4 Star |
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Show refraction of light through a lens. |
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Demonstrate the operation of a magnifying glass. |
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Put a concave / convex lens in front of 3 rays of light and predict what wil happen |
Nice 'n simple |
3 Star |
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| Application of refraction to help solve a crime in CSI | TeacherTube. 4 mins | 4 Star |
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| Demonstrating the same thing in a lab | YouTube. 4 mins | 4 Star |
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Nice black and white video on Refraction |
From Scicast. 2 minutes. |
4 Star |
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Interactive investigation of Short- and Long-sightedness |
Nice 'n simple |
4 Star |
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Drag and Drop labelling of the main parts of the eye |
Basic, but quite useful |
4 Star |
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| Lasers in the classroom | Safety document from CLEAPPS | |||
For teachers: what lasers are safe to use? |
Text-based |
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| Manatory experiment: concave mirror | From mathsphysics.com |