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Guide to teaching the topic |
Word document |
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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
Mirrors |
Lots of pics of 'Solar Death Rays" |
3 Star |
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Solar cooking home page |
It is what it says |
3 Star |
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Includes a look at photosynthesis and a radiometer. |
3 minute video from howstuffworks |
4 Star |
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| A look at solar energy plants |
3 minute video from howstuffworks |
3 Star | ||
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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OP35 |
Understand that luminous objects are a source of light while non-luminous objects are seen as a result of light reflected from them. |
Very nice explanation. 3 minute video from howstuffworks |
4 Star |
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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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Colour Mixing with Mr Devitt |
Mr Devitt demonstrates colour mixing for the stage. MyYoutube. 10 minutes
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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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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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The boy with the iron lung gets to see the world by periscope |
3 minute video from howstuffworks |
3 Star |
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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 introduction of refraction due to light going from water to air |
2 minute video from howstuffworks |
4 Star |
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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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This video demonstrates how light rays are bent by concave and convex lenses, and explains how lenses in eyeglasses work to make objects clearer. |
2 minute video from howstuffworks |
3 Star |
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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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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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Did you know you can look back in time? |
Querky explanation from Youtube |
4 Star |