Dough rises because yeast or baking agents produce carbon dioxide gas. This gas forms bubbles, expanding the dough. Warmth and moisture help this process, causing the dough to puff up and become soft and airy. Class 8 Science Curiosity Grade 8 ...
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Yes! Questions like “Why does the sky change color?” or “How do birds migrate?” spark curiosity. Such questions encourage deeper thinking, investigations and a lifelong love for discovering how the world works. Class 8 Science Curiosity Grade 8 Chapter 1 Exploring ...
The Sun’s movement causes day and night, while the Moon orbits Earth, changing phases. Their positions together influence tides, eclipses and calendars, showing how both movements are deeply connected to time and nature. class 8 science chapter 1 exploring the investigative ...
Science improves our lives through technology, medicine, clean water, transportation and communication. It solves problems, saves lives and makes work easier. From phones to vaccines, science shapes how we live, learn and grow. Class 8 NCERT Science Curiosity Chapter 1 Exploring ...
We fight infections using our immune system, nutritious food, hygiene and medicines. Vaccines prepare our body to resist germs, while antibiotics or antivirals kill harmful microbes after infection begins. Class 8 NCERT Science Curiosity Chapter 1 Exploring the Investigative World of ...