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 ...
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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 ...
Our body needs nutritious food, clean water, exercise, sleep and hygiene to stay healthy. These help build strength, prevent disease and support growth and healing. A healthy lifestyle keeps our body strong and our mind active. Class 8 NCERT Science Curiosity ...
Fresh dough puffs better due to its elasticity and moisture. Stored dough may dry out or stiffen, reducing steam buildup and puffing. Time affects the dough’s structure and flexibility. Class 8 Science Curiosity Grade 8 Chapter 1 Exploring the Investigative World ...
Dough thickness, flour type, moisture, oil temperature, rolling technique and how the dough is placed in oil all affect puffing. Each factor changes steam formation, cooking time and structure. Class 8 Science Curiosity Textbook Chapter 1 Exploring the Investigative World of ...