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Energy for Life
Activities
Activity 4
How Much Food do you Need? 
Some people need more energy than others.
- Draw a bar graph using the information in the table.
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Energy used in a day (kJ) |
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Male |
Female |
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8 year old |
8500 |
8500 |
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14 year old |
12500 |
9700 |
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adult office worker |
11000 |
9800 |
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adult manual worker |
15000 |
12500 |
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pregnant women |
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10000 |
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breast-feeding mother |
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11500 |
a. Why does a 14 year old need more energy than an 8 year old?
b. Why does a 14-year-old boy need more energy than a 14-year-old girl?
c. Why does a builder need more energy than a secretary?
d. Why does a woman need more energy when she is pregnant?
e. Why does a woman need more energy when she is breast feeding?
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