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Class 7 Science Chapter 1 NCERT Book - The Ever-Evolving World of Science

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FAQs on Class 7 Science Chapter 1 NCERT Book - The Ever-Evolving World of Science

1. What is the significance of science in our daily lives?
Ans. Science plays a crucial role in our everyday lives by helping us understand the world around us. It contributes to advancements in technology, medicine, and environmental conservation. For instance, scientific research has led to the development of vaccines, renewable energy sources, and communication technologies, all of which improve our quality of life.
2. How do scientists conduct experiments?
Ans. Scientists conduct experiments by following a systematic approach known as the scientific method. This includes making observations, forming a hypothesis, conducting experiments to test the hypothesis, collecting data, and analyzing the results. Finally, they draw conclusions and share their findings with the scientific community for further validation.
3. What are the different branches of science studied in middle school?
Ans. In middle school, students typically study various branches of science, including biology (the study of living organisms), chemistry (the study of substances and their interactions), physics (the study of matter and energy), and earth science (the study of the Earth and its processes). Each branch helps students understand different aspects of the natural world.
4. Why is it important to teach science to students?
Ans. Teaching science to students is important because it fosters critical thinking, problem-solving skills, and a sense of curiosity about the world. It equips students with knowledge that is essential for informed decision-making in personal and societal contexts. Additionally, a strong foundation in science can inspire future careers in STEM fields.
5. How does science evolve over time?
Ans. Science evolves over time through continuous research, discovery, and technological advancements. New findings can challenge existing theories, leading to revisions and refinements in scientific understanding. Collaboration among scientists worldwide also accelerates the evolution of science, as shared knowledge promotes innovation and deeper insights into various phenomena.
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