Students can investigate why ice melts, how plants grow, why puris puff, how seasons change or how electricity works. These everyday mysteries lead to scientific exploration involving forces, energy, matter and natural cycles. Class 8 Science Curiosity Chapter 1 Exploring the ...
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Animals and birds sense environmental changes. For example, ants carry eggs to higher ground before rain. Frogs croak loudly when rain is near. Birds flying low may signal a storm. These behaviours act as natural weather indicators and have been ...
Rainfall is measured using a rain gauge, wind speed is recorded by an anemometer, and humidity is tracked using a hygrometer. These instruments help collect accurate weather data and are part of weather stations that monitor conditions and assist in ...
Weather refers to short-term atmospheric conditions like temperature, wind, or rain, changing daily or hourly. Climate is the average pattern of weather over a long period (30+ years) in a region. Weather is temporary; climate defines long-term conditions of a ...
Temperature is measured using thermometers, either mercury-based or digital. It changes throughout the day—usually lowest in the early morning and highest in the afternoon. Seasonal changes affect temperature too, with higher readings in summer and lower in winter, depending on ...