Practice

The Ever-Evolving World of Science — Practice

15 questions 15 min Recall + understand

Q1. According to the opening chapter of Class 7 Curiosity, science is mainly
- A. A fixed list of facts to be memorised
- B. A process of asking questions, doing experiments and being open to the unknown
- C. A subject useful only in laboratories
- D. A way to win prizes in school
Q2. The author describes Curiosity Class 7 as 'not just a textbook with facts' but as
- A. An invitation to question, perform experiments and explore
- B. A reference manual for teachers only
- C. A storybook with no exercises
- D. A workbook with answer keys
Q3. On the page numbers of Curiosity Class 7, two images appear repeatedly. They are
- A. A rocket and a satellite
- B. A butterfly and a paper plane
- C. A microscope and a test tube
- D. An owl and a book
Q4. According to the chapter, something as simple as a paper plane inspired
- A. The invention of the printing press
- B. Real scientific explorations of flight
- C. The discovery of fire
- D. The first wheel
Q5. The chapter previews that Class 7 Curiosity will cover topics from which fields of science?
- A. Only physics and chemistry
- B. Only biology and earth sciences
- C. Physics, chemistry, biology and earth sciences
- D. Only environmental studies
Q6. How are the different chapters and fields of science in Curiosity Class 7 related to one another?
- A. They are completely independent of each other
- B. Only physics and chemistry are connected
- C. They are all interconnected
- D. They become connected only in higher classes
Q7. As an example of an everyday question we rarely ask, the chapter mentions
- A. Why are some fruits sour?
- B. Why does the sun rise in the east?
- C. Why do trees grow tall?
- D. Why is water transparent?
Q8. Playing with batteries, lamps and wires to find what makes a lamp glow leads students into the world of
- A. Metals and non-metals
- B. Plants and animals
- C. Heat and temperature
- D. Stars and planets
Q9. Which of the following is given as an example of a change discussed in the chapter preview?
- A. A magnet attracting iron
- B. Ice melting into water
- C. A pendulum swinging
- D. Light passing through glass
Q10. According to the chapter, around the middle-school years, our bodies change
- A. Very slowly
- B. Not at all
- C. Rapidly
- D. Only in summer
Q11. The chapter mentions that, in animals, after we eat
- A. Food directly becomes muscle
- B. Blood circulates the nutrients from the food all over the body
- C. All food is stored only in the stomach
- D. Nutrients leave the body through breath
Q12. Long before electric and digital clocks, how did early humans tell the time?
- A. By counting heartbeats
- B. By burning candles
- C. By observing the shadows of objects in the Sun
- D. By looking at the colour of the sky
Q13. The chapter states that shadows cast by the Earth and the Moon lead to the phenomenon of
- A. Rainbows
- B. Eclipses
- C. Sunsets
- D. Tides
Q14. Activity 1.1 — 'Question the Answer' — asks the student to
- A. Find the answer to a difficult question
- B. Translate questions into Hindi
- C. Memorise standard answers
- D. Write a question that could lead to a given answer
Q15. The chapter quotes a saying from Grade 6: 'To be a wise person, you must be a ___ person.'
- A. Quiet
- B. Whys
- C. Wealthy
- D. Reading

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