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Exploring Light/Lesson: Difference between revisions
From OER in Education
→Teacher’s notes
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5. What is colour?<br /> | 5. What is colour?<br /> | ||
In previous work we have looked at dark, light and shadows. We have been | In previous work we have looked at dark, light and shadows. We have been saying in our story that: | ||
* | * we can define dark and light, | ||
* | * we can say something is brighter or darker than something else and give a number to support, | ||
* | * we can define a shadow, | ||
* | * we can use numbers to describe to others what we see, but they may not. | ||
Our next part of the story is, what about the graduations between dark and light? How can we describe | Our next part of the story is, what about the graduations between dark and light? How can we describe to others how much light or dark we have seen? | ||
Coloured filters should give lower light readings, this is clue that some light has been blocked by the filter and that only a small part has passed through. The part that passes through is what we see as colour. White light is a mixture of many colours. | Coloured filters should give lower light readings, this is clue that some light has been blocked by the filter and that only a small part has passed through. The part that passes through is what we see as colour. White light is a mixture of many colours. | ||
