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Blue Skies and Clouds

  One question that we are all bound to have asked as children is ‘Why is the sky blue?’ which may have led to some interesting responses from adults close by! This may also have been followed up with ‘How are clouds made?’ to further satisfy our curiosity about the world around us. Read on to find out some clues as to how you can explain and demonstrate these concepts to inquisitive young ones. Why is the sky blue? To explain why the sky appears blue on a clear, sunny day, we first need to know a little about the visible light spectrum. In scientific terms, light is a form of radiation. The light that our eye can see is just a small part of a larger range of radiation types, called the electromagnetic spectrum, that have different wavelengths, energies (frequencies) and properties. As the name suggests, visible light is the only part of the electromagnetic spectrum that we can see (with the naked eye). The diagram below shows where visible light fits in to the electromagnetic spec

Water Cycle and You

Carbon Cycle in the Ocean

The Lifecycle of Geology in a Civil Engineering Project - Part 2

The Lifecycle of Geology in a Civil Engineering Project - Part 1

Field Water Sampling

Weather Disasters

Waste in Australia

Milankovitch Cycles