Lesson Y8-U02-L06
Y8-U02-L06 Map Skills: Reading the Coast with 6-Figure Grid References Quiz: KS3 Geography, Unit 8
20 questions
In partnership with Revision Ninja
Lesson Y8-U02-L06, Map Skills: Reading the Coast with 6-Figure Grid References: 20 multiple choice questions for the KS3 Geography (National Curriculum), Unit 8: Year 8: Coasts: A Changing Landscape, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
Which grid lines do you read along the bottom of an OS map?
- Contour lines
- Compass bearings
- Northings
- Eastings
-
How many digits does a four-figure grid reference contain?
- Two
- Eight
- Four
- Six
-
What precision does a six-figure grid reference give on the ground?
- About 10 metres
- About 100 metres
- About 1 km
- About 10 km
-
What does a four-figure grid reference name?
- A whole grid square of about 1 km
- The height of the land above sea level
- A single point to within one metre
- The distance a wave travels over open sea
-
What is a 'tenth' in a grid square?
- A grid square that is 10 km wide
- The scale of the map written as a fraction
- One of ten equal strips across or up a grid square
- A line of constant height on the map
-
Into how many tenths is each grid square split, across and up?
- Five
- Ten
- Twelve
- Four
-
Which set of three numbers is written first in a six-figure reference?
- The scale number of the map
- The easting set: the easting followed by its tenths digit
- The northing set: the northing followed by its tenths digit
- The tenths digits only, written first
-
Which grid lines are read up the side of an OS map?
- Lines showing the direction of the wind
- Northings
- Eastings
- Lines showing the height of the land
-
A stack lies just right of easting 25 and just above northing 70. What is its four-figure square?
- 7025
- 2507
- 2570
- 2700
-
A beach is in square 18, 4 tenths across and 2 tenths up square 04. What is its six-figure reference?
- 184042
- 401842
- 182404
- 184024
-
A feature is 3 tenths across and 8 tenths up its square. Which digits are added to the easting and northing?
- 8 and 3
- 8 and 8
- 3 and 3
- 3 and 8
-
Marker A is in square 2570, 7 tenths across and 5 tenths up. What is its six-figure reference?
- 257750
- 257705
- 250770
- 705257
-
A pupil writes 705257 instead of 257705. What did they do wrong?
- They read the contour lines instead of the grid
- They forgot to read the scale of the map
- They used the wrong number of tenths in each square
- They wrote the northing set first, swapping the order
-
A coastguard must find a walker quickly. Which reference should be given?
- A compass bearing with no grid numbers, giving the direction but not the place
- The name of the nearest headland only, with no grid reference or square given
- A six-figure reference, pinpointing the spot to about 100 metres
- A four-figure square covering about 1 km, so the search area is quite wide
-
Marker C is at 316138 and marker A is at 257705. Where is C compared with A?
- North-west of A
- South-east of A
- Directly north of A
- Directly west of A
-
Which description fits a four-figure grid reference in the card sort?
- Names a 1 km square only and has four digits
- Marks the height of a cliff above the tide line
- Pinpoints a feature to about 100 metres with six digits
- Uses tenths to locate an exact spot within the square
-
Why is a six-figure reference still not exact enough to find a single rock pool?
- Rock pools move with the tide, so no reference can ever be fixed in place
- Six figures are only used for beaches, so pools must be found some other way
- It pinpoints a spot only to about 100 metres, so very small features need more precision
- It names a whole square of about 10 km, so it is too broad for any local search
-
Compare a grid reference with an aerial photograph for describing a spit. Which gives more detail about the spit?
- Neither helps, because spits cannot be seen from the air
- An aerial photograph, because it shows the real shape and colour of the spit
- A grid reference, because it shows the spit's shape and colour
- Both give the same detail because they are equally precise
-
Why does splitting a grid square into tenths improve precision?
- It enlarges the map so that features look bigger and easier to read on the page
- It divides the square into smaller strips, so the spot can be located more closely
- It shows the height of the land in each tenth, so the contours can be read directly
- It changes the map scale to one to ten, so every distance on the map is shortened
-
Explain why the order of digits matters in a six-figure reference.
- The order tells the reader which way the map faces, so the north is always at the top
- Order does not matter, because the map is symmetrical so every reading is the same
- The order matters only for four-figure references, not for six-figure ones at all
- Swapping the sets sends the reader to a different square, and so a different place
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