Introduction
Welcome to BodhiClasses, your go-to platform for high-quality science education! At BodhiClasses, we believe that learning should be engaging, interactive, and concept-driven. Science is not just about memorizing facts but about developing a curious mindset and applying knowledge to real-world situations. Want to learn online? Join us now! This post Extra Questions & Answers on “The Wonderful World of Science”.
The chapter “The Wonderful World of Science” introduces young learners to the fundamental concepts of scientific inquiry, observation, and exploration. This post provides a comprehensive set of exam-oriented questions based on the chapter. These questions help students test their understanding and prepare effectively for assessments.
20 One-Mark Questions and Answers
- What is science?
Answer: Science is a way of thinking, observing, and exploring the world. - Why is curiosity important in science?
Answer: Curiosity drives scientific discovery and questioning. - Name the first step of the scientific method.
Answer: Observation. - What does a hypothesis represent?
Answer: An educated guess based on prior knowledge. - Give one example of science in daily life.
Answer: Boiling water to make steam. - What is the scientific method?
Answer: A step-by-step process to find answers to questions. - Why do scientists conduct experiments?
Answer: To test hypotheses and find answers. - What is an observation?
Answer: Noticing details using senses to gather information. - What is the role of analysis in science?
Answer: Examining data to understand results. - How does science impact technology?
Answer: Scientific discoveries lead to new technologies. - What is the purpose of questioning in science?
Answer: To explore unknown concepts. - Name a scientific tool used for magnifying small objects.
Answer: Microscope. - What is an experiment?
Answer: A method to test a hypothesis. - Why do objects fall to the ground?
Answer: Due to gravity. - What is the primary source of energy for Earth?
Answer: The Sun. - What is evaporation?
Answer: The process of water turning into vapor. - Why does ice melt?
Answer: Due to heat energy. - What are the main components of air?
Answer: Nitrogen, oxygen, carbon dioxide, etc. - Name one scientist who developed the laws of motion.
Answer: Isaac Newton. - What is the smallest unit of life?
Answer: A cell.
Extra Questions & Answers on “The Wonderful World of Science”
20 Two-Mark Questions and Answers
- Explain the role of observation in the scientific method.
Answer: Observation helps identify patterns and phenomena that spark curiosity, leading to the formulation of questions. - How does the scientific method help in problem-solving?
Answer: It provides a systematic way to test ideas, refine knowledge, and arrive at logical conclusions. - What are two examples of interconnected scientific disciplines?
Answer: Physics and chemistry in material science; biology and environmental science in ecology. - Why is scientific thinking important beyond the classroom?
Answer: It develops logical reasoning and critical thinking skills applicable in everyday life and careers. - Describe a simple real-life experiment that applies the scientific method.
Answer: Testing why a pen stops working by checking ink levels and writing techniques. - What is the role of a hypothesis in an experiment?
Answer: It provides a starting point for testing an idea scientifically. - How does science contribute to environmental protection?
Answer: By studying pollution, climate change, and sustainable solutions. - Explain why the sky appears blue.
Answer: Due to the scattering of sunlight by the Earth’s atmosphere. - How does heat affect the states of matter?
Answer: It causes solids to melt, liquids to evaporate, and gases to expand. - What are the three main states of matter?
Answer: Solid, liquid, gas. - What is the function of a microscope in science?
Answer: To magnify small objects and cells. - How do scientists ensure accuracy in experiments?
Answer: By conducting repeated trials and using controls. - Why do we see lightning before hearing thunder?
Answer: Because light travels faster than sound. - What is an example of potential energy?
Answer: A stretched rubber band. - Why do astronauts float in space?
Answer: Because of microgravity in orbit. - How do plants absorb water?
Answer: Through their roots. - What is the importance of classification in science?
Answer: It helps organize and study living and non-living things systematically. - How do vaccines work?
Answer: By stimulating the immune system to fight diseases. - What is the importance of recycling?
Answer: To reduce waste and conserve natural resources. - Why do metals conduct electricity?
Answer: Because they have free-moving electrons.
Conclusion
This comprehensive question bank based on “The Wonderful World of Science” is designed to help students strengthen their understanding of key concepts. These questions encourage critical thinking and practical application of scientific principles.
