Let’s solve each part step by step.
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Question 3.2:
We are asked to divide the globe with a
vertical line that represents something, and then label each hemisphere.
A vertical line on a globe that divides it into two equal halves is called the
Prime Meridian (0° longitude). This line runs from the North Pole to the South Pole through Greenwich, England.
- The side
east of this line is the
Eastern Hemisphere.
- The side
west of this line is the
Western Hemisphere.
So:
> b)
Prime Meridian
Label: Eastern Hemisphere and Western Hemisphere
*(Note: Sometimes people use the Equator for horizontal division — but here it says “vertical line”, so it must be Prime Meridian.)*
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Question 4.1: Mark 40°N 40°W
This means:
- Latitude: 40 degrees
North → go up from the equator to 40°N
- Longitude: 40 degrees
West → go left from the Prime Meridian (0°) to 40°W
On the map, find where 40°N latitude line crosses 40°W longitude line.
Looking at the world map provided:
→ That point is in the
Atlantic Ocean, west of Europe/Africa, east of North America.
You would mark an “a” there.
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Question 4.2: Mark 60°S 140°E
Latitude: 60°
South → below the equator, near Antarctica
Longitude: 140°
East → far right side of the map (since 180° is the International Date Line)
Find where 60°S meets 140°E.
→ That’s in the
Southern Ocean, south of Australia.
Mark a “b” there.
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Question 4.3: Name the continent at 20°S 20°E
Latitude: 20° South → southern hemisphere
Longitude: 20° East → eastern hemisphere
Look at the map:
→ At 20°S and 20°E, you’re in
Africa — specifically, around countries like Namibia or Botswana.
✔ So the answer is:
Africa
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Final Answer:
3.2 b) Prime Meridian
Hemispheres: Eastern Hemisphere and Western Hemisphere
4.1 Mark “a” at 40°N 40°W (in Atlantic Ocean)
4.2 Mark “b” at 60°S 140°E (south of Australia)
4.3 Africa
Parent Tip: Review the logic above to help your child master the concept of geography for grade 6.