Energy sources

what is an energy-dense food?
foods that contain a high number of calories per gram
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what are examples of energy-dense foods?
biscuits, chocolate
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what is a low-energy food?
foods low in energy and high in water
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what are examples of low-energy foods?
fruit and vegetables
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what does kj stand for?
kilojoules
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what does kcal stand for?
kilocalories
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what is a kilocalorie?
the amount of heat energy needed to raise the temperature of 1kg of pure water by 1 degree celsius
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how much energy (kcal) does 1g of protein provide?
4kcal
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how much energy (kcal) does 1g of fat provide?
9kcal
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how much energy (kcal) does 1g of carbohydrate provide?
3.75kcal
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what should be the main source of your bodies energy?
starchy carbohydrates
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what foods are starchy carbohydrates found in?
bread, rice, pasta, potatoes, couscous
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what happens to starch during digestion?
it is broke down into glucose and used as a source of energy
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what foods are fats found in?
butter, cooking oils, cream and oily fish
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what does your body have to do in order to use fat as a source of energy?
break it down into glucose
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where can fat be stored in the body?
under your skin
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what foods are proteins found in?
meat, fish, eggs, cheese, pulses, nuts
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what is the order in which the body uses macronutrients for energy?
carbohydrates, fats, proteins
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name the secondary source of energy:
protein
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which 4 factors affect how much energy you need?
age, activity, health, gender
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what is BMI?
Basic Metabolic Rate
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What is PAL?
Physical Activity Level
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Card 2

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what are examples of energy-dense foods?

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biscuits, chocolate

Card 3

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what is a low-energy food?

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Card 4

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what are examples of low-energy foods?

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Card 5

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what does kj stand for?

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