Ants carrying eggs to higher ground or birds flying low are signs of approaching rain or storms. These natural behaviours indicate animals can sense atmospheric changes. Such traditional knowledge, passed down generations, helps people forecast weather before modern instruments were ...
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At high altitudes, atmospheric pressure is lower, meaning less oxygen is available in the air. Our bodies get less oxygen with each breath, leading to breathlessness, dizziness or tiredness. That’s why mountaineers and travellers need time to adjust or acclimatise. Class ...
Atmospheric pressure is the force exerted by air on the Earth’s surface. It is higher at sea level and decreases with altitude because there is less air above. As you climb mountains, pressure drops, making the air thinner and breathing ...
A rain gauge measures how much rain falls at a location. It has a funnel, a measuring tube, and a scale. Rainwater is collected in the cylinder and its height on the scale tells the rainfall amount in millimetres, like ...
We measure weather using instruments: thermometer (temperature), barometer (air pressure), hygrometer (humidity), rain gauge (rainfall), anemometer (wind speed) and wind vane (wind direction). These instruments are placed in weather stations or AWS to monitor weather patterns and help in forecasting ...