Locating Places on Earth – Case-based Questions with Answers
Class 6
CBSE Class 6 Social Science — Chapter 1: Locating Places on Earth
CBSE Board Examinations: Case-Based Questions, Map skills, Short & Long answers, Internal assessment.
Content Bank — Chapter 1 (Topic-wise)
Topics: Understanding the Earth; Continents & Oceans; Maps & Map Types; Symbols, Scale & Orientation; Grid System — Latitude & Longitude; Cardinal Directions & Compass; Practical Map Skills.
Scenario 1: A teacher shows a globe and asks students why shapes of continents on a flat map sometimes look different.
Q1.1 Explain the reason for this difference.
A1.1: Flattening the curved surface of the globe onto a flat map causes distortions in shape, area, distance or direction depending on the map projection used.
Q1.2 Which tool (globe or map) gives more accurate relative positions?
A1.2: A globe gives more accurate relative positions and true shapes, as it is a scale model of Earth with minimal distortion.
Scenario 2: Students are given a blank world map and asked to mark the largest water body.
Q2.1 Which ocean should be marked and why?
A2.1: The Pacific Ocean should be marked because it is the largest ocean covering the greatest surface area on Earth.
Q2.2 Mention one economic activity associated with this ocean.
A2.2: Major economic activity: international shipping routes and fisheries supporting many coastal nations.
Scenario 3: A map shows a symbol of tiny trees clustered in an area and uses a colour green.
Q3.1 What does this symbol likely represent?
A3.1: The cluster of tree symbols and green colour likely represent a forested or heavily vegetated area on a physical map.
Q3.2 How would you find the meaning of that symbol?
A3.2: Check the map legend (key), which explains all symbols and colours used on the map.
Scenario 4: A student measures 2 cm between two towns on a map whose scale reads 1 cm = 50 km.
Q4.1 Calculate the real distance between the towns.
A4.1: Real distance = 2 cm × 50 km/cm = 100 km.
Q4.2 Why is using scale important?
A4.2: Scale converts map measurements to actual distances, enabling practical planning and travel estimations.
Scenario 5: The teacher mentions the Equator and asks how climate differs at equatorial regions compared to polar regions.
Q5.1 Describe two climate differences.
A5.1: Equatorial regions: higher and more consistent temperatures, heavy rainfall; Polar regions: very cold temperatures, long winters and shorter summers with low precipitation.
Q5.2 Give one reason for these differences.
A5.2: Difference is due to the angle of sunlight — equator receives more direct sunlight year-round while poles get oblique sunlight.
Scenario 6: Students learn about latitude and longitude—one student writes coordinates as 77°N, 28°E for a city.
Q6.1 Identify the mistake in the coordinates.
A6.1: Latitude should be given as degrees north/south and longitude as east/west. 77°N, 28°E places the point at 77°N latitude and 28°E longitude, likely incorrect order for the intended city (should be 28°N, 77°E for New Delhi).
Q6.2 State the correct order when writing coordinates.
A6.2: The correct order is latitude first (N/S), then longitude (E/W), e.g., 28°N, 77°E.
Scenario 7: A map's publication date is 1995; planners are using it for a new road project.
Q7.1 Why might this be problematic?
A7.1: The map may be outdated—roads, boundaries, and urban areas may have changed since 1995; using it could lead to planning errors.
Q7.2 What should planners do instead?
A7.2: Use the latest maps or satellite imagery and verify on-ground conditions before finalising plans.
Scenario 8: A map shows the Tropic of Cancer; students are asked why this line is important to India.
Q8.1 Explain its significance.
A8.1: The Tropic of Cancer (approx. 23.5°N) passes through India and marks the northernmost latitude where the sun can be directly overhead; it influences climate zones and seasons.
Q8.2 How does this affect agriculture or seasons?
A8.2: It helps define regions experiencing tropical climates and affects monsoon timing and intensity in those areas.
Scenario 9: A compass points slightly away from true north at a location due to magnetic declination.
Q9.1 What is magnetic declination?
A9.1: Magnetic declination is the angle between magnetic north (compass needle) and true geographic north; it varies by location and time.
Q9.2 How should a navigator correct for it?
A9.2: Determine local declination value from reliable sources and adjust compass bearings accordingly to find true north.
Scenario 10: Students are shown two maps—one large-scale town map and one small-scale world map.
Q10.1 Which map will show more local detail and why?
A10.1: The large-scale town map shows more local detail because its scale represents a smaller area with greater detail (e.g., 1:10,000).
Q10.2 Which map is better for showing continents?
A10.2: The small-scale world map is better for showing continents as it covers large areas but with less detail.
Scenario 11: A coastal town depends on fishing and international trade via its port.
Q11.1 Explain two ways oceans support the town's economy.
A11.1: Oceans provide fish resources for livelihoods and support shipping trade that brings imports/exports and employment at the port.
Q11.2 Suggest one environmental threat to this economy.
A11.2: Pollution or overfishing could reduce fish stocks; rising sea levels and storms may threaten infrastructure.
Scenario 12: Students must label the Equator and Prime Meridian on a blank map.
Q12.1 Where should these be drawn?
A12.1: Draw the Equator as a horizontal line at 0° latitude across the middle; draw the Prime Meridian as a vertical line at 0° longitude through Greenwich.
Q12.2 Why is their intersection important?
A12.2: Their intersection (0°,0°) is a reference point for global coordinates and helps in teaching basic grid concepts.
Scenario 13: A thematic map showing rainfall uses shades of blue to indicate varying rainfall amounts.
Q13.1 How does a thematic map help students understand climate?
A13.1: It highlights spatial patterns (e.g., heavier rainfall areas) clearly, making it easier to compare regions and relate climate to geography.
Q13.2 Give an example of another thematic map useful for schools.
A13.2: A population density map helps study human settlement patterns; a vegetation map shows plant distribution.
Scenario 14: A student reads coordinates 0°N, 30°E and asks which hemisphere and general region this is in.
Q14.1 Identify the hemisphere and possible nearby country/region.
A14.1: 0°N is on the Equator, so it lies at the boundary of Northern and Southern Hemispheres; 30°E runs through eastern Africa—near countries like Uganda or Kenya.
Q14.2 How can this help in locating climate expectations?
A14.2: Being on the Equator suggests a tropical climate with relatively high temperatures and potential for rainfall patterns like equatorial rainforests.
Scenario 15: During a map exercise, group A uses a hand-drawn legend while group B forgets to include one.
Q15.1 What problems might group B face?
A15.1: Viewers cannot interpret symbols or colours correctly, leading to confusion and loss of marks for unclear maps.
Q15.2 Suggest two items that must appear in a good legend.
A15.2: Symbols used (e.g., rivers, roads) and colour meanings (e.g., green = forest, blue = water) plus scale and north arrow are essential.
Scenario 16: A student is asked why Europe and Asia sometimes appear as separate continents though they are one landmass (Eurasia).
Q16.1 Explain why they are treated as separate continents.
A16.1: Europe and Asia are separated by cultural, historical and conventional boundaries (Ural Mountains, Caucasus); thus they are traditionally treated as distinct continents despite being one landmass.
Q16.2 How does this affect teaching geography?
A16.2: It highlights the role of human convention in geography and helps discuss cultural and physical regional differences.
Scenario 17: A coastal map shows tidal range information; students are asked why tides matter for navigation.
Q17.1 Explain one reason tides are important for ships.
A17.1: Tides affect water depth—knowing tidal times prevents ships from grounding in shallow harbours and helps plan safe entry and exit.
Q17.2 Name one factor causing tides.
A17.2: The gravitational pull of the Moon (and Sun) on Earth’s oceans causes tidal movements.
Scenario 18: Students use online maps to find the coordinates of their city and compare with atlas values.
Q18.1 Why might coordinates differ slightly between sources?
A18.1: Differences may arise due to varying map datums, rounding, map scale or precision of measurement tools; small discrepancies are normal.
Q18.2 What is the benefit of using both online maps and atlases?
A18.2: Cross-checking improves accuracy, offers different perspectives and helps students learn both traditional and modern mapping tools.
Scenario 19: A desert region and adjacent coastal region are compared in class for land use.
Q19.1 Give two differences in land use between these regions.
A19.1: Desert: sparse agriculture, pastoralism, limited settlements; Coastal: intensive fishing, ports, tourism, denser settlements and trade activities.
Q19.2 How should maps reflect such differences?
A19.2: Use thematic maps (e.g., land use, vegetation) with clear legends and symbols to show contrasts in human and physical geography.
Scenario 20: For an exam, a student must label several parallels and meridians and explain their importance.
Q20.1 Name three parallels students should know and one reason each is important.
A20.1: Equator (0°) — divides Northern & Southern Hemispheres; Tropic of Cancer (~23.5°N) — marks northern tropical boundary affecting India; Arctic Circle (~66.5°N) — indicates polar region with extreme daylight variations.
Q20.2 Why is learning meridians important for timekeeping?
A20.2: Meridians help determine longitude; since Earth rotates 360° in 24 hours, each 15° of longitude corresponds to one-hour time difference, forming the basis of time zones.
Note: These Case-Based Questions and Answers are created strictly as per the NCERT syllabus and are ideal for CBSE Class 6 board exam practice and classroom assessment.