Water For FoodWater For Food

Food Type Litres required

Potatoes 1000

Maize 1400

Wheat 1450

Chicken 4600

Beef 42500

The table shows the amount of water required to produce a kilo of different types of food.

Does the bar chart or the pie chart explain the data clearer?

Discuss which is more appropriate to show the data and why.

Global Water UseGlobal Water UseThe table shows how water is used globally.

Water use %

Agriculture 70

Domestic 8

Industry 22

World water use (%)

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80

Agriculture Domestic Industry

Types of use

usa

ge

(%

)

Does the bar chart or the pie chart explain the data clearer?

Discuss which is more appropriate to show the data and why.

This is called a legend and is the key to the pie chart

This bar chart shows the average water use per day for one person in three different countries. Discuss the following questions. 1. Work out what is missing from the chart.2. Why is a bar chart more appropriate to show this data than a pie chart?

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North America UK Malawi

Average water use per day (in litres)

Countries

wat

er u

sage

(in

litr

es)

Chart title:

Y a

xis

titl

e:

X axis title:

What’s missing?What’s missing?