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Science ·Class 8 Science

Curiosity Class 8 Science Book Solutions

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RBSEGuide
· Jun 16, 2026 · Reviewed & updated Sep 17, 2026 · 27 min read

Class 8 Science Curiosity Solutions

Curiosity Class 8 Solutions

Class 8 Curiosity Solutions: NCERT Solutions for Class 8 Science Curiosity

Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Question Answer

  1. Why is one side of a puri thinner than the other? Class 8
  2. Are there more grains of sand on all the beaches and deserts of the world, or more stars in our galaxy? Class 8
  3. We observe the incredible diversity of plants and animals around us. From the different shapes of leaves Class 8
  4. Why does a puri puff up like a balloon when fried? Class 8
  5. What are the different things that may change the way a puri puffs up when fried? Class 8
  6. What can we observe or measure during the experiment? Class 8
  7. What happens if I prick a hole in the puri before frying? Class 8
  8. Do puris puff better when made fresh or from stored dough? Class 8
  9. Exploring the Investigative World of Science Notes

Class 8 Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked Eye Question Answer

  1. Have you ever wondered what you might see if the invisible world around you became visible? Class 8
  2. How do you think your observation of this hidden world might change the way you think about size, complexity Class 8
  3. Have you thought about how these tiny living beings interact with each other? Class 8
  4. Activity 2.1 Let us observe (Page 9) Do you know which scientific discovery helped us see the tiny world for the first time? Class 8
  5. Activity 2.2 Let us study a cell (Page 11) What similarities do you find in Fig. 2.3c and Fig. 2.3d? Class 8
  6. Activity 2.3 Let us investigate (Page 12) What similarities and differences did you observe between the cells of onion peel Class 8
  7. What are the levels of organisation in the body of a living organism? Class 8
  8. What would have happened if micro-organisms did not exist on Earth? Class 8
  9. Activity 2.9 Let us prepare (Page 21) Class 8 Table 2.4 Testing for curd formation using milk in different conditions
  10. Various parts of a cell are given below. Write them in the appropriate places in the following diagram. Class 8
  11. Aanandi took two test tubes and marked them A and B. Class 8
  12. A farmer was planting wheat crops in his field. He added nitrogen-rich fertiliser Class 8
  13. Snehal dug two pits, A and B, in her garden. In pit A, she put fruit and vegetable peels Class 8
  14. Identify the following microorganisms Class 8
  15. Devise an experiment to test that microorganisms need optimal temperature, air, and moisture for their growth. Class 8
  16. Take 2 slices of bread. Place one slice on a plate near the sink. Place the other slice Class 8
  17. A student observes that when curd is left out for a day, it becomes sourer. What are two possible Class 8
  18. Observe the set-up given in Fig. 2.15 and answer the following questions. What happens to the sugar solution Class 8
  19. India has a long history of biogas production. One of our oldest biogas plants was set up in late 1850s Class 8
  20. Fermented food items like fermented soybeans and fermented bamboo shoots are consumed as traditional Class 8
  21. Study the different parts of a macro fungus mushroom using a magnifying glass and microscope/foldscope. Class 8
  22. Interact with an entrepreneur and learn the steps for cultivation of mushroom. Class 8
  23. The Invisible Living World Beyond Our Naked Eye Class 8 Notes
  24. The Invisible Living World Beyond Our Naked Eye Class 8 MCQ
  25. The Invisible Living World Beyond Our Naked Eye Class 8 Assertion and Reason Questions
  26. The Invisible Living World Beyond Our Naked Eye Class 8 Fill in the Blanks
  27. The Invisible Living World Beyond Our Naked Eye Class 8 Very Short Question Answer
  28. The Invisible Living World Beyond Our Naked Eye Class 8 Short Question Answer
  29. The Invisible Living World Beyond Our Naked Eye Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 3 Health The Ultimate Treasure Question Answer

  1. How does your body respond to an infection such as common cold? Class 8
  2. We rarely see cases of smallpox or polio these days, but diseases like diabetes and heart problems are more common. Why? Class 8
  3. Could climate change lead to new types of diseases? Class 8
  4. How do emotions like stress or worry affect us and make us sick? Class 8
  5. Why do some groups of people get affected more than others during disease outbreaks? Class 8
  6. What do the news clippings on the notice board tell you about people's health in our country? Class 8
  7. Is being healthy just about not having diseases? Class 8
  8. Activity 3.1 Let us read (Page 29) What was the cause of the boy's health problems? Class 8
  9. How did his habits and surroundings affect his well-being? Class 8
  10. Activity 3.2 How can we stay healthy? (Page 30) What we should do and what should Class 8
  11. Are diseases always caused by infections? Class 8
  12. Activity 3.6 Let us read (Page 37) What do you infer from this case study? Class 8
  13. Find out about such community campaigns held in your location. Share in your class and discuss with your Class 8
  14. Some people get sick more frequently than others, although living in a similar environment. Do you know why? Class 8
  15. Activity 3.7 Let us infer (Page 41) How do you think the antibiotic resistance has been developed Class 8
  16. Group the diseases shown (see textbook) in the images as communicable or non-communicable. Class 8
  17. Diseases can be broadly grouped into communicable and non-communicable diseases. Class 8
  18. There is a flu outbreak in your school. Several classmates are absent, while some are still coming Class 8
  19. Your family is planning to travel to another city where malaria is prevalent. Class 8
  20. Your uncle has started smoking just to fit in with his friends, even though it is well known Class 8
  21. Saniya claims to her friend Vinita that Antibiotics can cure any infection, so we don't need Class 8
  22. The following table contains information about the number of dengue cases reported in a hospital Class 8
  23. Imagine you are in charge of a school health campaign. What key messages would you use to reduce Class 8
  24. It is recommended that we should not take an antibiotic for a viral infection like a cold, a cough, or flu. Class 8
  25. Which disease(s) among the following may spread if drinking water gets contaminated by the excreta Class 8
  26. When our body encounters a pathogen for the first time, the immune response is generally Class 8
  27. If you are given an opportunity to create a health card, what all would you like to include in it. Class 8
  28. Health The Ultimate Treasure Our Naked Eye Class 8 Notes
  29. Health The Ultimate Treasure Our Naked Eye Class 8 MCQ
  30. Health The Ultimate Treasure Our Naked Eye Class 8 Assertion and Reason Questions
  31. Health The Ultimate Treasure Our Naked Eye Class 8 Fill in the Blanks
  32. Health The Ultimate Treasure Our Naked Eye Class 8 Very Short Question Answer
  33. Health The Ultimate Treasure Our Naked Eye Class 8 Short Question Answer
  34. Health The Ultimate Treasure Our Naked Eye Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 4 Electricity Magnetic and Heating Effects Question Answer

  1. If we don't have an electric lamp while making an electric circuit with an electric cell is there any other Class 8
  2. Is it possible to make temporary magnets? How can these be made? Class 8
  3. We can generate heat by burning fossil fuels and wood; but how is heat generated in various electrical appliances? Class 8
  4. How do we know if a cell or a battery is dead? Can all cells and batteries be recharged? Class 8
  5. Can we use electric current to make a magnet? Class 8
  6. Activity 4.3 Let us experiment (Page 50) Does electromagnet also have two poles like a bar magnet? Class 8
  7. Are electromagnets also used in real life, for lifting objects? Class 8
  8. While doing the activity for electromagnet, did you also notice that the wire ends got warm? Class 8
  9. What is inside the cells and batteries that produces electricity? Class 8
  10. Keep the curiosity alive (Pages 58-61) Fill in the blanks: Class 8
  11. An electric current flows through a nichrome wire for a short time. Class 8
  12. Nichrome wire is commonly used in electrical heating devices because it Class 8
  13. Electric heating devices (like an electric heater or a stove) are often considered more convenient Class 8
  14. Look at the Fig. 4.4a. If the compass placed near the coil deflects: Draw an arrow on the diagram to show Class 8
  15. Suppose Sumana forgets to move the switch of her lifting electromagnet model to OFF position (in introduction story) Class 8
  16. In Fig. 4.11, in which case the LED will glow when the switch is closed? Class 8
  17. Neha keeps the coil exactly the same as in Activity 4.4 but slides the iron nail out, leaving only the coiled wire Class 8
  18. We have four coils, of similar shape and size, made up from iron, copper, aluminium, and nichrome Class 8
  19. Discover, design and debate (Page 61) Make coils of turns 25, 50, 75 and 100 Connect them to the same cell one by one Class 8
  20. Take two thin nichrome wires of equal length and different thickness approximately one of these wire Class 8
  21. Try to make an electric cell using various fruits and vegetables. Also try with Class 8
  22. Electricity Magnetic and Heating Effects Class 8 Notes
  23. Electricity Magnetic and Heating Effects Class 8 MCQ
  24. Electricity Magnetic and Heating Effects Class 8 Assertion and Reason Questions
  25. Electricity Magnetic and Heating Effects Class 8 Fill in the Blanks
  26. Electricity Magnetic and Heating Effects Class 8 Very Short Question Answer
  27. Electricity Magnetic and Heating Effects Class 8 Short Question Answer
  28. Electricity Magnetic and Heating Effects Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 5 Exploring Forces Question Answer

  1. Why does it feel harder to pedal a bicycle when going uphill than on flat ground ? Class 8
  2. Why is it easier to slip on a wet surface? Class 8
  3. Why do we feel 'light' or like we are 'floating' just after our swing reaches its highest point and begins to come down? Class 8
  4. Is there any other contact force? Class 8
  5. Does it mean that there are two kinds of electrical charges? Class 8
  6. Is there any force that acts on them? What exerts this force? Class 8
  7. Does the Earth pull every object with equal force? Class 8
  8. What is the difference between weight and mass? Class 8
  9. If we place some objects on water, some of them float, while others fall to the bottom. Why Class 8
  10. The gravitational force of the Earth is acting on all objects, then why don't all objects fall to the bottom? Class 8
  11. Keep the curiosity alive (Pages 77-79) Match items in Column A with the items in Column B. Class 8
  12. State whether the following statements are True or False Class 8
  13. Two balloons rubbed with a woollen cloth are brought near each other. What would happen and why? Class 8
  14. When you drop a coin in a glass of water, it sinks, but when you place a bigger wooden block in water, it floats. Explain. Class 8
  15. If a ball is thrown upwards, it slows down, stops momentarily, and then falls back to the ground Class 8
  16. A ball is released from the point P and moves along an inclined plane and then along a horizontal surface as shown Class 8
  17. Why do we sometimes slip on smooth surfaces like ice or polished floors? Explain. Class 8
  18. Is any force being applied to an object in a non-uniform motion? Class 8
  19. The weight of an object on the Moon becomes one-sixth of its weight on the Earth. What causes this change? Class 8
  20. Three objects, 1,2 and 3 of the same size and shape but made of different materials, are placed in the water. Class 8
  21. Exploring Forces Class 8 Notes
  22. Exploring Forces Class 8 MCQ
  23. Exploring Forces Class 8 Assertion and Reason Questions
  24. Exploring Forces Class 8 Fill in the Blanks
  25. Exploring Forces Class 8 Very Short Question Answer
  26. Exploring Forces Class 8 Short Question Answer
  27. Exploring Forces Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 6 Pressure Winds Storms and Cyclones Question Answer

  1. Why are winds stronger on some days than on others? Class 8
  2. Why are water tanks usually placed at a height? Class 8
  3. Can air pressure really crush us? Class 8
  4. What causes storms and cyclones? If the Earth stopped rotating, would cyclones still form? Class 8
  5. Page 82 Table 6.1: Record your observations Class 8
  6. Why are overhead tanks always placed at a height? Class 8
  7. Do liquids also exert pressure? Class 8
  8. Do you see any relation between the amount of bulge of the rubber balloon and the height of the water column in the pipe? Class 8
  9. Why does water spurt out like a fountain from leaking joints or holes in water pipes? Class 8
  10. When you blow air into a balloon, it gets inflated. Why? Class 8
  11. What happens when an inflated balloon is kept without closing its mouth? Class 8
  12. Does the difference in air pressure have anything to do with the formation of winds? How do winds form? Class 8
  13. Keep the curiosity alive (Pages 94-96) Choose the correct statement Class 8
  14. State whether the following statements are True (T) or False (F) Class 8
  15. Figure 6.23 (a) shows a boy lying horizontally, and Figure 6.23 (b) (see figure in your textbook) Class 8
  16. An elephant stands on four feet. If the area covered by one foot is 0.25 m2, calculate the pressure exerted Class 8
  17. There are two boats, A and B. Boat A has a base area of 7 m2, and 5 persons are seated in it Class 8
  18. Would lightning occur if air and clouds were good conductors of electricity? Give reasons for your answer. Class 8
  19. What will happen to the two identical balloons A and B as shown in Fig. 6.24 when water is filled into the bottle up Class 8
  20. Explain how a storm becomes a cyclone. Class 8
  21. The figure shows trees along the sea coast on a summer afternoon. Identify which side is land - A or B. Explain your answer Class 8
  22. Describe an activity to show that air flows from a region of high pressure to a region of low pressure. Class 8
  23. What is a thunderstorm? Explain the process of its formation. Class 8
  24. Explain the process that causes lightning. Class 8
  25. Explain why holes are made in banners and hoardings. Class 8
  26. Pressure Winds Storms and Cyclones Class 8 Notes
  27. Pressure Winds Storms and Cyclones Class 8 MCQ
  28. Pressure Winds Storms and Cyclones Class 8 Assertion and Reason Questions
  29. Pressure Winds Storms and Cyclones Class 8 Fill in the Blanks
  30. Pressure Winds Storms and Cyclones Class 8 Very Short Question Answer
  31. Pressure Winds Storms and Cyclones Class 8 Short Question Answer
  32. Pressure Winds Storms and Cyclones Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 7 Particulate Nature of Matter Question Answer

  1. Why is it possible to pile up stones or sand, but not a liquid like water? Class 8
  2. Why does water take the shape of folded hands but lose that shape when released? Class 8
  3. We cannot see air, so how does it add weight to an inflated balloon? Class 8
  4. Is the air we breathe today the same that existed thousands of years ago? Class 8
  5. Activity 7.1 Let us explore (Page 99) Is every speck of this fine chalk powder still composed of the same substance Class 8
  6. How are the constituent particles held together to form the solid pieces we see? Class 8
  7. How are constituent particles held together in solids? Class 8
  8. In the solid state, is there any way to move these particles apart? Class 8
  9. Solids have a definite volume; what about liquids and gases? Class 8
  10. Do gases also have a fixed volume? Class 8
  11. What role does the interparticle spacing play in determining the properties of each state (solid, liquid, and gas) Class 8
  12. Activity 7.7 Let us observe (Page 108) Sugar and sand are both solids. Why does sugar dissolve in water Class 8
  13. Activity 7.9 Let us find out (Page 110) Light an incense stick in one corner of the room Class 8
  14. Can you share a few other real-life situations where you have experienced the movement of gas particles? Class 8
  15. Keep the curiosity alive (Pages 113-114) Choose the correct option. Class 8
  16. Which of the following statements are true? Correct the false statements. Class 8
  17. Choose the correct answer with justification. If we could remove all the constituent particles from a chair Class 8
  18. Why do gases mix easily, while solids do not? Class 8
  19. When spilled on the table, milk in a glass tumbler flows and spreads out, but the glass tumbler stays in the same shape. Class 8
  20. Represent diagrammatically the changes in the arrangement of particles as ice melts and transforms into water vapour Class 8
  21. Draw a picture representing particles present in the following. Class 8
  22. Observe figure (a), which shows the image of a candle that was just extinguished after burning for some time Class 8
  23. Why does the water in the ocean taste salty, even though the salt is not visible? Explain. Class 8
  24. Grains of rice and rice flour take the shape of the container when placed in different jars. Are they solids or liquids? Explain. Class 8
  25. Fix a balloon over the neck of a bottle and put the bottle in hot water. Explore what will happen? Class 8
  26. Design and create simple models to represent particles of solids, liquids, and gases Class 8
  27. Pretend to be particles of solids, liquids, and gases, at different temperatures create and perform Class 8
  28. Debate in the class - 'Gases can spread and fill all the available space'. Is this property of gases Class 8
  29. Particulate Nature of Matter Class 8 Notes
  30. Particulate Nature of Matter Class 8 MCQ
  31. Particulate Nature of Matter Class 8 Assertion and Reason Questions
  32. Particulate Nature of Matter Class 8 Fill in the Blanks
  33. Particulate Nature of Matter Class 8 Very Short Question Answer
  34. Particulate Nature of Matter Class 8 Short Question Answer
  35. Particulate Nature of Matter Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 8 Nature of Matter Elements Compounds and Mixtures Question Answer

  1. Which of the entities in the picture (given in your textbook) consist of matter, and which of them do not? Class 8
  2. How can elements be combined to form a compound? Class 8
  3. How could the discovery of a compound that absorbs carbon dioxide from the air contribute to solving environmental Class 8
  4. Why cannot we separate hydrogen and oxygen present in water by physical means? Class 8
  5. Are common salt and sugar elements or compounds? Class 8
  6. Consider the following reaction where two substances, A and B, combine to form a product Class 8
  7. Assertion: Air is a mixture. Reason: A mixture is formed when two or more substances are mixed Class 8
  8. Water, a compound, has different properties compared to those of the elements oxygen Class 8
  9. In which of the following cases are all the examples correctly matched? Give reasons in support of your answers. Class 8
  10. Iron reacts with moist air to form iron oxide, and magnesium burns in oxygen Class 8
  11. Classify the following as elements, compounds, or mixtures in Table 8.3 Class 8
  12. What new substance is formed when a mixture of iron filings and sulfur powder Class 8
  13. Is it possible for a substance to be classified as both an element and a compound? Class 8
  14. How would our daily lives be changed if water were not a compound but a mixture of hydrogen and oxygen? Class 8
  15. Analyse Fig. 8.24. Identify Gas A. Also, write the word equation of the chemical reaction. Class 8
  16. Write the names of any two compounds made only from non-metals, and also mention two uses of each of them. Class 8
  17. How can gold be classified as both a mineral and a metal? Class 8
  18. Nature of Matter Elements Compounds and Mixtures Class 8 Notes
  19. Nature of Matter Elements Compounds and Mixtures Class 8 MCQ
  20. Nature of Matter Elements Compounds and Mixtures Class 8 Assertion and Reason Questions
  21. Nature of Matter Elements Compounds and Mixtures Class 8 Fill in the Blanks
  22. Nature of Matter Elements Compounds and Mixtures Class 8 Very Short Question Answer
  23. Nature of Matter Elements Compounds and Mixtures Class 8 Short Question Answer
  24. Nature of Matter Elements Compounds and Mixtures Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 9 The Amazing World of Solutes Solvents and Solutions Question Answer

  1. What do you think is happening in the picture ? Class 8
  2. What happens when you add too much sugar to your tea and it stops dissolving? How can you solve this problem? Class 8
  3. Why do sugar and salt dissolve in water but not in oil? Why is water considered a good solvent? Class 8
  4. Why are water bottles usually tall and cylindrical in shape instead of spherical? Class 8
  5. We know air is a mixture. Would a mixture of gases also be considered a solution? Class 8
  6. Activity 9.1 Let us investigate (Page 136) Class 8
  7. Activity 9.2 Let us experiment (Demonstration Activity) (Page 137) Class 8
  8. Do gases also dissolve in water? Class 8
  9. Is the mixture of gases in water a uniform or non-uniform mixture? Class 8
  10. Does temperature affect the solubility of gases in liquids also? If so, how? Class 8
  11. Some packets of ghee or oil are labelled with a volume of 1 litre but a weight Class 8
  12. Activity 9.4 Let us observe and calculate (Page 143) Take a measuring cylinder and observe it carefully Class 8
  13. Activity 9.7 Let us measure Class 8
  14. The volume of a solid can be measured by the method of displacement, where the solid is ........... Class 8
  15. You pour oil into a glass containing some water. The oil floats on top. What does this tell you? Class 8
  16. A stone sculpture weighs 225 g and has a volume of 90 cm3. Calculate its density and predict whether it will float Class 8
  17. Which one of the following is the most appropriate statement, and why are the other statements not appropriate? Class 8
  18. You have a bottle with a volume of 2 litres. You pour 500 mL of water into it. How much more water can the bottle hold? Class 8
  19. An object has a mass of 400 g and a volume of 40cm3. What is its density? Class 8
  20. Analyse figures (a) and (b). Why does the unpeeled orange float, while the peeled one sinks? Explain. Class 8
  21. Object A has a mass of 200 g and a volume of 40 cm3. Object B has a mass of 240 g and a volume Class 8
  22. Reema has a piece of modelling clay that weighs 120g. She first moulds it into a compact Class 8
  23. A block of iron has a mass of 600 g and a density of 7.9g/cm3. What is its volume? Class 8
  24. You are provided with an experimental setup as shown in figures (a) and (b). On keeping the test tube (figure (b) in a beaker Class 8
  25. The Amazing World of Solutes Solvents and Solutions Class 8 Notes
  26. The Amazing World of Solutes Solvents and Solutions Class 8 MCQ
  27. The Amazing World of Solutes Solvents and Solutions Class 8 Assertion and Reason Questions
  28. The Amazing World of Solutes Solvents and Solutions Class 8 Fill in the Blanks
  29. The Amazing World of Solutes Solvents and Solutions Class 8 Very Short Question Answer
  30. The Amazing World of Solutes Solvents and Solutions Class 8 Short Question Answer
  31. The Amazing World of Solutes Solvents and Solutions Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 10 Light Mirrors and Lenses Question Answer

  1. On side-view mirrors of vehicles, there is a warning that says "Objects in mirror are closer than they appear". Class 8
  2. Can we make mirrors which can give enlarged or diminished images? Class 8
  3. Why is there a curved line on some reading glasses? Class 8
  4. How can we distinguish between concave and convex mirrors? Class 8
  5. Where do we find concave and convex mirrors being used in our surroundings? Class 8
  6. We have observed images formed by three types of mirrors - plane, concave, and convex Class 8
  7. Are the laws of reflection applicable to spherical mirrors also? Class 8
  8. Since the concave mirror converges the light beam. Class 8
  9. What changes can be seen in the objects when viewed through lenses? Class 8
  10. Do lenses also converge or diverge the light beam? Class 8
  11. Since a convex lens converges a light beam, can it also burn a paper? Class 8
  12. Where are all the lenses used? Class 8
  13. A light ray is incident on a mirror and gets reflected by it (Fig. 10.21). The angle made by the incident Class 8
  14. The Fig. 10.22 shows three different situations where a light ray falls on a mirror: Class 8
  15. In the Fig. 10.23, the cap of a sketch pen is placed in front of three types of mirrors. Class 8
  16. In the Fig. 10.24, the cap of a sketch pen is placed behind a convex lens, a concave lens, and a flat transparent glass piece Class 8
  17. When the light is incident along the normal on the mirror, which of the following statements is true: Class 8
  18. Three mirrors-plane, concave, and convex, are placed in the Fig. 10.25. Based on the images Class 8
  19. In a museum, a woman walks towards a large convex mirror (Fig. 10.26). She will see that: Class 8
  20. Hold a magnifying glass over the text and identify the distance at which you can see the text bigger Class 8
  21. Match the entries in Column I with those in Column II. Class 8
  22. The following question is based on Assertion/Reason. Assertion: Convex mirrors are preferred Class 8
  23. In Fig. 10.27, note that O stands for object, M for mirror, and I for image. Which of the following statements is true? Class 8
  24. Place a Pencil behind a transparent glass tumbler (Fig.a). Now fill the tumbler. Class 8
  25. Light Mirrors and Lenses Class 8 Notes
  26. Light Mirrors and Lenses Class 8 MCQ
  27. Light Mirrors and Lenses Class 8 Assertion and Reason Questions
  28. Light Mirrors and Lenses Class 8 Fill in the Blanks
  29. Light Mirrors and Lenses Class 8 Very Short Question Answer
  30. Light Mirrors and Lenses Class 8 Short Question Answer
  31. Light Mirrors and Lenses Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 11 Keeping Time with the Skies Question Answer

  1. Have you ever seen the Moon during the day? Why do you think it is sometimes visible when the Sun is up Class 8
  2. Imagine you lived on the Moon instead of Earth. What would you mean by a day, a month or a year? Class 8
  3. What would happen if Earth had two moons instead of one? How would that change the night sky? Class 8
  4. If we didn't have clocks or calendars, how else could we measure time? Class 8
  5. Activity 11.1 Let us explore (Page 171 - 172) Table 11.1 Documenting Changes in the Moon’s Appearance Class 8
  6. Activity 11.3 Let us measure a day! (Pages 178-179). Table 11.2 Finding the duration of a solar day Class 8
  7. We can only see that part of the Moon which reflects sunlight towards us Class 8
  8. Amol was born on the 6th of May on a full Moon day. Does his birthday fall on the full Moon day every year? Class 8
  9. Name two things that are incorrect in the Figure. Class 8
  10. Look at the pictures of the Moon in the Fig. 11.11 (see textbook), and answer the following questions Class 8
  11. Malini saw the Moon overhead in the sky at sunset. Draw the phase of the Moon that Malini saw. Class 8
  12. Ravi said, "I saw a crescent Moon, and it was rising in the East when the Sun was setting." Kaushalya said," Class 8
  13. Scientific studies show that the Moon is getting farther away from the Earth and slower in its revolution Class 8
  14. A total of 37 full Moons happen during 3 years in a solar calendar. Show that at least Class 8
  15. On a particular night, Vaishali saw the Moon in the sky from sunset to sunrise. What phase of the Moon Class 8
  16. If we stopped having leap years, in approximately how many years would the Indian Independence Day happen in winter? Class 8
  17. What is the purpose of launching artificial satellites? Class 8
  18. On which periodic phenomenon are the following measures of time based: Class 8
  19. Keeping Time with the Skies Class 8 Notes
  20. Keeping Time with the Skies Class 8 MCQ
  21. Keeping Time with the Skies Class 8 Assertion and Reason Questions
  22. Keeping Time with the Skies Class 8 Fill in the Blanks
  23. Keeping Time with the Skies Class 8 Short Question Answer
  24. Keeping Time with the Skies Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 12 How Nature Works in Harmony Question Answer

  1. How might the loss of forest cover and changes in rainfall patterns lead to elephants to enter human farms and villages? Class 8
  2. Imagine you are a tree in a dense forest. What kind of relationships would you have with water, sunlight, other Class 8
  3. Do you think the Earth can thrive without humans? Can humans survive without the earth? Class 8
  4. If two kinds of birds compete for the same fruit, how might their way of living change over time? Class 8
  5. Can human actions cause natural disasters? Class 8
  6. Activity 12.1 Let us explore (Page 191). Caution: Explore the habitat in groups with your teacher. Class 8
  7. Activity 12.2 Let us record (Page 193). We can understand the population of a particular type of plant Class 8
  8. Activity 12.3 Let us read (Page 194) Researchers conducted a study to see how fish in ponds Class 8
  9. Activity 12.5 Let us clarify (Pages 197-198). Observe Fig. 12.1(b) (in your textbook), which Class 8
  10. Activity 12.7 Let us draw (Pages 199-200) Fig. (a) represents a crop field with millets, mice, and an eagle Class 8
  11. Keep the curiosity alive: Refer to the given diagram (Fig.) and select the wrong statement. Class 8
  12. Selvam from Cuddalore district, Tamil Nadu, shared that his village. Class 8
  13. In a school garden, students noticed fewer butterflies the previous season. Class 8
  14. Observe two different places near your home or school (e.g., a park and a roadside). Class 8
  15. If the Indian hare population (Fig.) drops because of a disease. Class 8
  16. How Nature Works in Harmony Class 8 Notes
  17. How Nature Works in Harmony Class 8 MCQ
  18. How Nature Works in Harmony Class 8 Assertion and Reason Questions
  19. How Nature Works in Harmony Class 8 Fill in the Blanks
  20. How Nature Works in Harmony Class 8 Very Short Question Answer
  21. How Nature Works in Harmony Class 8 Short Question Answer
  22. How Nature Works in Harmony Class 8 Long Question Answer

Class 8 Science Curiosity Chapter 13 Our Home Earth A Unique Life Sustaining Planet Question Answer

  1. What do you think Earth would look like if there were no life on it at all? Class 8
  2. Life on Earth has survived for billions of years. What allows it to keep going despite major changes and disasters? Class 8
  3. Why don't dogs lay eggs? Or hens give birth to live chicks? Class 8
  4. If a spaceship carried soil and water to Mars, could plants start growing there? Class 8
  5. I wonder what makes the Earth unique for living beings to grow and survive! Class 8
  6. Activity 13.1 Let us find out (Pages 212) Interesting features about the Earth Class 8
  7. Activity 13.2 Let us find out (Pages 213) Collect information about the temperature and size of the planets Class 8
  8. What is one major reason Mars cannot currently support life like Earth? Class 8
  9. Which of these is an example of geodiversity? Class 8
  10. If the Earth were smaller with the same density, what might happen to its atmosphere? Class 8
  11. In sexual reproduction, why are offspring different from their parents? Class 8
  12. You notice tiny green plants growing in cracks on your school wall after the monsoon. Class 8
  13. A city has recently cut down a large patch. of forest to build new roads and buildings. Class 8
  14. A friend says, "The Earth has always had climate changes in the past, so today's global Class 8
  15. Imagine Earth's magnetic field suddenly disappeared. What kinds of problems could arise for life on Earth? Explain. Class 8
  16. You are tasked with designing a new settlement for humans on Mars. Name three things you would Class 8
  17. In a village, the temperature has been increasing, and rainfall has become unpredictable over the past few years. Class 8
  18. If there were no atmosphere on the Earth, would it affect life, temperature, and water on the planet? Explain. Class 8
  19. Discuss five examples of vegetative propagation. Class 8
  20. Our Home Earth A Unique Life Sustaining Planet Class 8 Notes
  21. Our Home Earth A Unique Life Sustaining Planet Class 8 MCQ
  22. Our Home Earth A Unique Life Sustaining Planet Class 8 Assertion and Reason Questions
  23. Our Home Earth A Unique Life Sustaining Planet Class 8 Fill in the Blanks
  24. Our Home Earth A Unique Life Sustaining Planet Class 8 Very Short Question Answer
  25. Our Home Earth A Unique Life Sustaining Planet Class 8 Short Question Answer
  26. Our Home Earth A Unique Life Sustaining Planet Class 8 Long Question Answer