Exploration: Entering the World of Secondary Science-Assignments - What Have You Learned? Science Exploration Class 9 In English-CBSE Notes
Explore NCERT Solutions for Class 9 science exploration Chapter Exploration: Entering the World of Secondary Science Topic Assignments - What Have You Learned? with simple explanations and free ncert solution in English.
Class 9 Science Exploration Exploration Chapter 1 Exploration: Entering the World of Secondary Science Beyond the Basics: Science in Everyday Life
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All Topics Chapter Exploration: Entering the World of Secondary Science
- 1. What is Science?
- 2. Scientific Laws, Theories and Principles
- 3. Science in Everyday Life
- 4. Scientific Predictions
- 5. Beyond the Basics: Science in Everyday Life
- 6. Assignments - What Have You Learned?
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Exploration: Entering the World of Secondary Science-Assignments - What Have You Learned? Science Exploration Class 9 In English-CBSE Notes
Exploration: Entering the World of Secondary Science
Assignments - What Have You Learned?
Chapter 1. Exploration: Entering the World of Secondary Science
This assignment is based on the complete chapter and follows the latest CBSE competency-based pattern. It helps students strengthen conceptual understanding, analytical thinking and application skills.
Chapter Assignment
1. One Word Answer
- What is the systematic study of the natural world called?
- What is the careful study of objects or events using our senses called?
- What is the simplified representation of a real object or system called?
- Which system of units is accepted internationally?
- What is a statement that describes a consistent natural relationship called?
- What is a well-tested explanation of natural phenomena called?
- What is an approximate value close to the actual value called?
- Which subject is known as the language of science?
- What is the process of testing ideas through practical investigation called?
- What type of thinking is based on evidence and logical reasoning?
2. Fill in the Blanks
- Science begins with __________.
- A scientific model is a __________ representation of a real system.
- Scientists use __________ units for uniform measurements.
- Scientific conclusions are based on __________.
- Mathematics helps scientists express relationships using __________.
- Scientific theories are supported by __________ and experiments.
- Estimation gives an __________ value.
- Science develops through observation and __________.
- Scientific predictions are based on __________ reasoning.
- Science is an __________ subject because it combines many branches.
3. True or False
- Scientific theories are simply guesses.
- Science depends on evidence and experimentation.
- Scientific models always show every detail of a real object.
- SI Units are accepted throughout the world.
- Observation is an important part of scientific investigation.
- Scientific knowledge can change with new evidence.
- Mathematics has no role in science.
- Scientific predictions are based on evidence.
- Science is useful only inside laboratories.
- Scientific thinking helps solve real-life problems.
4. Match the Following
| Column A | Column B |
|---|---|
| Scientific Model | Simplified representation |
| Observation | Careful study |
| SI Units | International standard |
| Scientific Theory | Explanation of natural phenomena |
| Scientific Law | Describes natural relationship |
| Estimation | Approximate value |
| Evidence | Supports scientific ideas |
| Prediction | Logical expectation |
| Mathematics | Language of science |
| Experiment | Testing scientific ideas |
5. Very Short Answer Questions
- Define Science.
- What is Observation?
- What is a Scientific Model?
- Why are SI Units important?
- What is Scientific Evidence?
- What is Estimation?
- Define Scientific Prediction.
- What is Scientific Thinking?
- Why is Mathematics important in Science?
- Name any two branches of Science.
6. Short Answer Questions
- Explain the importance of observation in science.
- Describe the characteristics of scientific models.
- Differentiate between Scientific Law and Scientific Theory.
- Why do scientists use standard units?
- Explain the role of mathematics in science.
- How does estimation help in everyday life?
- Why is evidence important in science?
- Explain the importance of scientific predictions.
- What are the qualities of a scientific learner?
- Why is science called an interdisciplinary subject?
7. Long Answer Questions
- Explain the scientific method with suitable examples.
- Discuss the importance of scientific models in understanding complex systems.
- Describe how science improves our daily life.
- Explain the role of scientific thinking in solving real-life problems.
- Discuss the importance of evidence, observation and experimentation in science.
- Explain the relationship between science and mathematics.
- Describe the role of science in national development.
- Explain why scientific knowledge continues to change with new discoveries.
- Discuss the importance of developing a scientific attitude among students.
- Explain how science contributes to sustainable development.
8. Case Study Questions
Case Study 1
A student observes that ice melts when kept in sunlight. She records the time taken for melting and repeats the experiment several times before drawing a conclusion.
- Which scientific skill is demonstrated first?
- Why did the student repeat the experiment?
- Why is evidence important before drawing a conclusion?
- Name one scientific attitude shown in this activity.
Case Study 2
Scientists use models of the Solar System to understand the movement of planets because the actual system is too large to study directly.
- What is a scientific model?
- Why are models used in science?
- Name another example of a scientific model.
- Can scientific models change with new discoveries? Explain.
Case Study 3
A weather department predicts heavy rainfall using satellite images, observations and mathematical calculations.
- What is scientific prediction?
- Which branch of mathematics helps in such predictions?
- Why are observations important?
- How do such predictions help society?
Case Study 4
A scientist carefully records every observation during an experiment without changing any result, even when the expected outcome is not obtained.
- Which scientific value is shown?
- Why should scientific observations be recorded honestly?
- What is scientific evidence?
- How does honesty improve scientific research?
Case Study 5
A team of doctors, engineers and computer scientists work together to develop a smart medical device for patients.
- Which concept of science does this example represent?
- Why do different branches work together?
- Name any two branches involved.
- How does interdisciplinary science benefit society?
9. Competency-Based Questions
- Why is curiosity considered the starting point of scientific learning?
- How do scientific models simplify complex systems?
- Why are SI Units necessary for scientific communication?
- Explain why scientific theories are not mere guesses.
- How does mathematics improve scientific investigations?
- Why should scientific conclusions always be supported by evidence?
- How does estimation help identify unreasonable answers?
- Explain the relationship between observation and experimentation.
- Why is scientific thinking important in everyday life?
- How can students develop a scientific attitude?
10. HOTS Questions
- Can scientific knowledge ever become complete? Give reasons.
- Why should a scientist be open to changing old ideas?
- How would scientific progress be affected if experiments were not repeatable?
- Why is evidence more reliable than personal opinion?
- How can scientific thinking help solve environmental problems?
- Do you think every scientific discovery benefits society? Justify your answer.
- How are science and technology dependent on each other?
- If standard units did not exist, what problems would scientists face?
- How does interdisciplinary science solve modern global challenges?
- Why is developing scientific thinking more important than memorising scientific facts?
All Topics Chapter Exploration: Entering the World of Secondary Science
Exploration: Entering the World of Secondary Science-Assignments - What Have You Learned? Science Exploration Class 9 In English-CBSE Notes
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CBSE Notes for Class 9 science exploration Chapter Exploration: Entering the World of Secondary Science – Assignments - What Have You Learned?
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