When sugar dissolves, its particles spread evenly throughout the tea. The sugar breaks into tiny molecules, mixing with water molecules, forming a solution. Though invisible, the sugar is still present and adds sweetness to the liquid. Class 8 Science Curiosity Grade ...
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Lenses bend light to form images, helping us understand vision and devices like magnifiers, microscopes and cameras. By studying lenses, we learn how to focus, zoom and see distant or tiny objects clearly and accurately. Class 8 Science Curiosity Chapter 1 ...
Early humans observed the Moon’s phases and used its regular 29–30 day cycle to track time. These observations led to lunar calendars, helping them plan farming, festivals and navigation long before modern clocks existed. Class 8 NCERT Science Curiosity Chapter 1 ...
Lunar cycles and daily sunrises/sunsets provided early humans with natural patterns to measure time. The Moon’s phases marked months and the Sun’s regular rise and set marked days, forming the basis for ancient timekeeping and calendars. class 8 science chapter 1 ...
Future scientists should be curious, observant, creative and responsible. They must think critically, ask questions and work to solve real problems like pollution and climate change, helping make Earth healthier and safer for everyone. Class 8 Science Curiosity Grade 8 Chapter ...