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Year 5 Science – Investigating Light and its Properties

February 3, 2020

Light is all around us, but how exactly does it work? In Year 5 Science we have been investigating the different properties of light—how it behaves, how shadows form, and how light is either reflected, refracted or absorbed.

In our experiments, we discovered that light travels in straight lines. A shadow is formed because the path of light is blocked. We also learned that a shadow can get bigger if the object is moved closer to the light source, and get smaller if the object is farther from the light source.

Reflections occur because light bounces off surfaces. We learned that uneven surfaces scatter light more than surfaces that are even. We also explored transparency, and learned that transparent objects allow light to pass through, translucent object only allows some light to pass through, and opaque objects do not allow light to pass through.

In our Interactive Science Notebooks we recorded how light behaves when it enters a prism, noting that white light actually comprises of many different colours, primarily red, orange, yellow, green, blue, indigo, and violet—and we remember this order by memorizing the acronym ROY G. BIV.

Written by Mr. Ramon Toralba

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