Additive colour

Learning Material  |  Interactive Lesson

Compare the colours produced by light sources such as the sun, a standard light bulb and a fluorescent tube. Shine each light through a glass prism. Explain any differences in the mixture of colors of each light source. Shine different combinations of primary colors onto a white object. See if the colour is different from what you would expect to be produced if mixing colored paints. For example, will combining red and blue light produce purple, magenta or white light? This learning object is a combination of two learning objects in the same series.

Students identify that white light is made up of colored light (the rainbow colors).
Students identify color differences between sunlight and light from artificial sources.
Students predict the result when additive colors are mixed.
Students explore the range of colors produced by combining different ratios of the three primary additive colors.

Curriculum Information

K to 12
Grade 8
Force Motion and Energy
Learners, Students

Copyright Information

Education Services Australia
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