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Environment & Meteorology...

Below are our articles on the subject of Environment & Meteorology. If you can't see what you are looking for our other categories are displayed on the left under 'Our Quick Links'...
Bottling a Tornado
Bottling a Tornado
A tornado is a violent storm, usually with a twisting funnel of wind extending from a cloud down to the ground...
Condensation and Dew
Condensation and Dew
Condensation, on the inside of the kitchen window on a chilly morning or on a cold glass of water, and dew on the grass on a cool autumn evening, is a familiar sight,…...
Cooking With the Sun
Cooking With the Sun
Cooking with the sun (solar cooking) provides free, safe, clean heat energy that preserves nutrients in food....
Desalination of Water
Desalination of Water
Desalination means taking the salt out of salty water (from lakes or the sea) to make fresh, drinkable water....
Looking at Soil Profiles
Looking at Soil Profiles
Soil is everywhere - in fields, gardens, woods. Even in pots in houses for house plants. It is what plants need for growth, but what is it actually made of?...
Make Your Own El Nino
Make Your Own El Nino
El Niño, or the ENSO (El Niño Southern Oscillation), is a pattern of weather changes that usually occur around Christmas. El Niño means ‘the little boy’ or ‘the Christ…...
Making a Rainbow: Breaking Light Into Colour
Making a Rainbow: Breaking Light Into Colour
Sunlight isn't just white - it's actually made of a mixture of different colours. As light travels through water or glass, it changes speed, which makes it bend....
Making a Sundial
Making a Sundial
Before watches and clocks were invented, people used the position of the sun in the sky to guess the time of day, but this couldn’t be very accurate. The next step was…...
Making Biospheres, Ecospheres and Bottle Gardens
Making Biospheres, Ecospheres and Bottle Gardens
A bottle garden or terrarium is a small sealed artificial ecosystem, with soil the main component. Biospheres or ecospheres are also small sealed artificial…...
Melting Ice and Rising Sea Levels
Melting Ice and Rising Sea Levels
As global temperatures rise, this will lead to melting of glaciers and sea ice. If this causes a rise in sea levels, it could make coastal communities vulnerable to…...
Monitoring the Weather
Monitoring the Weather
Weather stations include different ways of measuring the weather. Meteorologists (people who study the weather) use weather stations to monitor the weather day by day,…...
Seeing Soil Erosion
Seeing Soil Erosion
Soil erosion is the loss of healthy and fertile topsoil through water or wind, leaving behind poorer quality subsoil....
The Science of Recycling
The Science of Recycling
Recycling is important because it saves energy and resources and reduces pollution, as well as creating jobs and keeping things out of landfill....
Tracking Sunspots Across the Sun
Tracking Sunspots Across the Sun
A sunspot is a cooler area on the surface of the sun, which shows up as a patch that is darker than the rest of the sun’s surface...
Watching Clouds
Watching Clouds
Clouds are collections of very small drops of water or particles of ice and they form from water vapour in the air. Watching clouds can give us an idea of what the…...
What Colour is the Sky?
What Colour is the Sky?
White light is made up of a mixture of different colours. Things seem a particular colour because of the light they reflect or scatter - a leaf appears green because…...
What is Sand?
What is Sand?
Sand is made by erosion and weathering of rocks - seas or rivers carry pebbles that chip small pieces off rocks, and freezing and thawing during the winter breaks…...
When the Wind Blows: Making a Wind Vane
When the Wind Blows: Making a Wind Vane
Warm air is less dense than cold air, and so as air is warmed by the sun it rises. Cold air then moves to replace the warm air. This movement of air is called 'wind'....
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