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Geography Skills 02
When would you use a pie chart?

Geography Skills 02

Good geographers choose the best way to present data, from bar charts and line graphs to pie charts that show how a whole is shared out.

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Fascinating Fact:

Choosing the right graph type is important, because some graphs, such as pie charts and divided bar graphs, are designed to display data that add up to 100%.

In KS3 Geography, pupils develop geography skills by collecting, presenting and interpreting data. You learn how to select suitable graphs, draw them accurately and then explain what patterns and trends they show.

  • Data: Information, often in numbers, that can be collected, organised and shown in tables or graphs.
  • Pie chart: A circular graph that shows how a whole is split into parts which usually add up to 100 percent.
  • Line graph: A graph that uses points joined by lines to show how something changes over time or distance.
Which graph should I use in KS3 geography?

In KS3 geography, bar charts work well for comparing categories, line graphs are best for changes over time and pie charts or divided bars are used for parts of a whole.

What does it mean when data add up to 100 percent?

When data add up to 100 percent it means all the parts together make one whole, such as all the land uses in a settlement or all the journeys made in a survey.

How can I improve my graph skills for geography?

You can improve by choosing clear scales, labelling axes correctly, adding a title and key, checking your plotting carefully and practising with different types of data.

1 .
When should a bar graph be all the same colour?
When the bars all show the same type of data
When the bars show different types of data
When the data increases at regular intervals
When your felt tips have run out
If all data is different then different colours are used
2 .
What shows the links between two sets of data?
Block graph
Divided bar graph
Pictograph
Scatter graph
The line of best fit is then used to determine the mathematical relationship between the two data sets
3 .
Lines joining places of the same value create what maps?
Batholine
Equiline
Isoline
Microline
e.g. temperatures of various places
4 .
What is the most important thing about isolines?
They are always yellow
They must be dotted lines
They must never cross or touch
They will always cross at some point
You never see the isobars (air pressure lines) crossing or touching each other on the weather maps on TV so make sure that if you draw an isoline map, your lines don't cross or touch
5 .
Which maps show what an individual person thinks about a particular area?
Bonkers maps
Fantasy maps
Imaginary maps
Mental maps
No two mental maps are the same, as each person's experience of a geographical location is different
6 .
Which diagram is best for showing percentages?
Bar chart
Line graph
Pie chart
Scatter graph
The size of each sector of a pie chart is in proportion to the percentage it represents
7 .
The line of best fit on a scatter graph showing a linear relationship is always what?
Curved
Horizontal
Straight
Vertical
If the line slopes upwards towards the right, it is a positive relationship and vice-versa
8 .
What is the best type of map to show population density in Asia?
Choropleth
Isoline
Mental
Sketch
The differences and similarities between areas are shown by shading them using lighter and darker shades of the same colour
9 .
On a pie chart, 1% equals how many degrees?
1.8
2.5
3.2
3.6
Circle = 360° divided by 100% = 3.6 degrees per percentage point
10 .
What would best show average rainfall in seven countries?
Bar graph
Flow chart
Line graph
Pie chart
Bar graphs are good for showing amounts of something
You can find more about this topic by visiting BBC Bitesize - Geographical skills

Author:  Jan Crompton (KS3 Geography & History Teacher, Professional Quiz Writer)

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