Power Point 152 Energy Food a fact of

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Power. Point 152 Energy © Food – a fact of life 2012

Power. Point 152 Energy © Food – a fact of life 2012

Sources of Energy © Food – a fact of life 2012

Sources of Energy © Food – a fact of life 2012

Energy Food is the body’s source of energy. Food provides energy. We need energy

Energy Food is the body’s source of energy. Food provides energy. We need energy to grow, be active and maintain health. Different types of food provide different amounts of energy. Energy is measured in kilojoules – k. J. © Food – a fact of life 2012

100 g of these foods provide … 195 k. J 922 k. J 914

100 g of these foods provide … 195 k. J 922 k. J 914 k. J © Food – a fact of life 2012 3059 k. J 73 k. J

Which food provides the least energy? 587 k. J All foods per 100 g.

Which food provides the least energy? 587 k. J All foods per 100 g. © Food – a fact of life 2012 891 k. J 627 k. J 158 k. J

Which food provides the most energy? 199 k. J All foods per 100 g.

Which food provides the most energy? 199 k. J All foods per 100 g. © Food – a fact of life 2012 3059 k. J 291 k. J 1725 k. J

Uses of energy Different activities use different amounts of energy. Which activity uses the

Uses of energy Different activities use different amounts of energy. Which activity uses the most energy? swimming cooking 357 k. J/15 mins 85 k. J/15 mins © Food – a fact of life 2012 walking 114 k. J/15 mins football 196 k. J/15 mins

Uses of energy Different activities use different amounts of energy. Which activity uses the

Uses of energy Different activities use different amounts of energy. Which activity uses the least energy? sleeping 35 k. J/15 mins gymnastics 153 k. J/15 mins © Food – a fact of life 2012 horse riding 144 k. J/15 mins standing 42 k. J/15 mins

Portions Different amounts of food provide different amounts of energy. The amount of food

Portions Different amounts of food provide different amounts of energy. The amount of food is known as a portion. We eat different amounts of different types of food. Margarine © Food – a fact of life 2012 Orange Per 100 g = 3039 k. J Per 100 g = 158 k. J On toast (5 g) = 152 k. J Small (120 g) = 190 k. J

Foods providing 400 k. J of energy Wholemeal bread – 44 g Jacket potato

Foods providing 400 k. J of energy Wholemeal bread – 44 g Jacket potato -69 g Milk -205 ml Ham - 35 g Tomatoes -548 g Orange -253 g Egg – 65 g Butter -13 g © Food – a fact of life 2012

Uses of 400 k. J Swimming about 24 minutes Cycling about 17 minutes Sitting

Uses of 400 k. J Swimming about 24 minutes Cycling about 17 minutes Sitting about 96 minutes Sleeping about 116 minutes Walking about 31 minutes Running about 17 minutes © Food – a fact of life 2012

Energy needs are different Different people need different amounts of energy. The amount of

Energy needs are different Different people need different amounts of energy. The amount of energy they need depends on their age, job, how active they are and their health. baby girl 9 year old boy 36 year old man 8, 240 k. J/day 2, 160 k. J/day © Food – a fact of life 2012 65 year old woman 7, 960 k. J/day 10, 600 k. J/day

For further information, go to: www. foodafactoflife. org. uk © Food – a fact

For further information, go to: www. foodafactoflife. org. uk © Food – a fact of life 2012

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