UV rays can damage skin, cause sunburn and lead to skin cancer or eye problems. Earth’s ozone layer blocks most harmful UV radiation, acting like a protective shield around the planet’s atmosphere. Class 8 Science Curiosity Chapter 1 Exploring the Investigative ...
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A phulka swells because direct flame heats the dough, turning moisture into steam. The steam expands inside, inflating the roti like a balloon while the outer layers cook and trap the steam inside. Class 8 Science Curiosity Textbook Chapter 1 Exploring ...
Everyday questions—like why dough rises or why rainbows form—can become scientific puzzles when explored deeply. These observations lead to experiments, revealing hidden principles of chemistry, physics or biology that explain ordinary events scientifically. Class 8 Science Curiosity Grade 8 Chapter 1 ...
Young learners are called “investigators” because they actively ask questions, explore ideas, conduct experiments and draw conclusions. Like scientists, they try to understand how the world works by thinking critically and observing carefully. Class 8 Science Curiosity Grade 8 Chapter 1 ...