Advertisements
Advertisements
Question
Why are ‘True North’ and ‘Grid North’ different?
Advertisements
Solution
Semi-circular lines of longitude are often depicted as straight on maps. The represented north is grid north. The earth’s spherical shape creates a difference from true north.
APPEARS IN
RELATED QUESTIONS
Write True or False. Correct the false statement.
Land use refers to the way a piece of land is used in the area.
Fill in the blanks. One has been done for you.
| Distance on the map | Distance on the ground | Scale |
| 5 cm | 25 km | 1 cm = 5 km |
| 10 cm | 100 km | ______ |
| 2 cm | ______ | 1 cm = 30 km |
| ______ | 49 m | 1 cm = 7 m |
| 6 cm | 60,000 km | ______ |
Match the following
| A | B | ||
| 1 | Scale | (i) | Words |
| 2 | Statement scale | (ii) | Straight Line divided into lengths |
| 3 | Linear Scale | (iii) | Curved line |
| 4 | ruler | (iv) | Ratio |
| 5 | twine | (v) | Straight Line |
State whether the following is true or false.
The distance along a curved line is measured by a ruler.
Describe the method by which the distance on a curved line is measured.
With regard to scale, answer the following question:
Convert the following statement into R.F.
5 cm = 500 metres.
With regard to scale, answer the following question:
Convert the following statement into R.F.
15 cm = 6 km
Convert the following representative fraction into a statement:
1 : 1000000 (to show kilometres).
Convert the following representative fraction into a statement:
1 : 100 (to show metres).
Convert the following representative fraction into a statement:
1 : 200,000 (to show kilometres)
