Environment & Meteorology

Below are our 16 articles in the environment & meteorology' category:

Bottling a Tornado
A tornado is a violent storm, usually with a twisting funnel of wind extending from a cloud down to the ground. The wind in a tornado is usually...
Cooking With the Sun
Cooking with the sun (solar cooking) provides free, safe, clean heat energy that preserves nutrients in food. Cooking with the Sun On a...
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...
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...
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...
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....
Making Biospheres, Ecospheres and Bottle Gardens
In Edwardian times, growing plants in glass cases was very popular, especially because it protected delicate plants, such as ferns, from polluted...
Melting Ice and Rising Sea Levels
Everyone is talking about climate change. As global temperatures rise, this will lead to melting of glaciers and sea ice. If this causes a rise in...
Monitoring the Weather
Weather stations include different ways of measuring the weather. Meteorologists (people who study the weather) use weather stations to monitor the...
Seeing Soil Erosion
Soil erosion is the loss of healthy and fertile topsoil through water or wind, leaving behind poorer quality subsoil. Soil erosion can lead to...
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
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. A sunspot...
Watching Clouds
Clouds are collections of very small drops of water or particles of ice and they form from water vapour in the air. Types of...
What Colour is the Sky?
White light is made up of a mixture of different colours (see ‘Making a Rainbow: Breaking Light Into Colour’). Light travels in waves, and...
What is Sand?
Sand is a mixture of small grains of rock, ranging in size from 0.0625 mm to 2 mm. Sand is made by erosion and weathering of rocks – seas or rivers...
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 (see 'Warm and Cold: Expanding Air' and 'Floating and Sinking:...
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