Vitamins Water Fibre Protein Minerals Fat Carbohydrate Vitamins Water Fibre HEALTHY DIET Prestarter Write down the title across one whole page of your book and around this title write any words or sentences that you associate with this title ID: 732134
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Slide1
Protein
Minerals
Fat
Carbohydrate
Vitamins
Water
Fibre
Protein
Minerals
Fat
Carbohydrate
Vitamins
Water
FibreSlide2Slide3Slide4Slide5
HEALTHY DIET
Pre-starter: Write down the title across one whole page of your book and around this title write any words or sentences that you associate with this titleSlide6
Why
do our diets differ?Pathway to success:
I can explain all interactions that affect body mass (A-B) I can define metabolic rate (D)
I can describe the relationship between food intake, exercise and fitness (C)
Key words: metabolic rate, inherited, malnourishedTASK: Place your food examples on the correct food nutrient they MAINLY contain
Place the nutrients in order of how much the following people would need in their diet:An athleteA pregnant womanA teenage boyA teenage girlSlide7
Check point: Which nutrient?
Which 3 nutrients provide the body with energy?Of these 3 which one also is used for growth and repair of muscle tissue?Of these 3 which one is our main source of energy?Look at the table below and answer the following questionsPer gram which nutrient provides us with the most energy?
Would you gain more weight eating more protein or more fat? Explain why. If you wanted to lose weight which nutrient should you reduce in your diet? Explain why. NutrientEnergy (calories) per gram
Carbohydrate4.2Protein4.1Fat9.0Slide8
B1.1 Diet and Exercise : Evaluating slimming claims BL1FP June 2012
Check point- Past paper questions
How many grams of carbohydrate did the child eat?The amount of carbohydrate you calculated in part 1 was more than the UK guideline daily amount for the child. How much more?3. Give two possible health effects on the child of eating so many biscuits every day.
One day a ten-year-old child ate a whole packet of the biscuits. The biscuits in the pack had a mass of 400 g.Slide9
Version 2.0 Copyright © AQA and its licensors. All rights reserved.Slide10
Why do our diets differ?
Discuss with your partner the reasons why some people can eat whatever they want and not seem to gain a pound while others gain weight really easily.
This is due to your METABOLIC RATE!Slide11
Metabolic rate
This is the rate of chemical reactions in your cellsIt is determined by:Gender: Males higher than femalesProportion of muscle to fat in your bodyAmount of exercise you do (more= higher metabolic rate)Inherited from your parents
Q- Can you change/ control your metabolic rate?Slide12
Why do our diets differ?
In addition t metabolic rate people need different amounts of energy and proportions of nutrients in their diet depending on:AgeAmount of exerciseIf they are pregnantGenderLifestyle/ activity levels
WeightIn pairs discuss how each of these factors effect your diet e.g. after puberty the older you are the less energy you need as you are no longer growingSlide13
Why do our diets differ?
TASK:Look at the 3 case studies and answer the following questions.Describe who needs the most energy in their dietExplain why (relate this to metabolic rate, amount of exercise, gender etc…)What foods should they eat to ensure they get the right amount of energy for their lifestyle? (give food examples and the nutrients they contain)
EXTEND: June wants to lose body mass but she is not sure how. Suggest some ways June could lose weight safely using her diet and activity levels onlyEXTEND: Dean has noticed he is losing weight and this is causing him to become tired more easily- what could he do to increase his body mass?
June- 26 years old. Office worker. Drives to work.Walks to her mum’s twice a week.
Brooklyn- 14 years old.Bikes 2 miles to school each day.Plays football 4x per weekDean- 42 years old. Labourer- works 12 hours per day on a building site. Slide14
Check point: Why do our diets differ?
Use your graph handout to answer the following questions Slide15
2 marks
2 marks
2 marksSlide16
Version 2.0 Copyright © AQA and its licensors. All rights reserved.
B1.1 Diet and exercise BL1FP-PostS-MS-Jun12Slide17
Plenary- Who is malnourished?Slide18
Which nutrient(s)?
Which nutrient is found in the foods belowWhat is the role of this nutrient?
BeefVitamins- Helps the immune system and concentrationWater- Maintain normal cell functionSlide19
Not enough Vitamin C?
Scurvy!Slide20
Which nutrient(s)?
Which nutrient is found in the foods belowWhat is the role of this nutrient?
Lentils/ pulsesEggsBeef
ChickenFish
NutsProteinGrowth and repair of muscle tissueSlide21
Which type of people need a lot of protein in their diet?Slide22
Which nutrient(s)?
Which nutrient is found in the foods belowWhat is the role of this nutrient?Beef
Fats- Slow release of energy 25% of our diet should be fats.They come in 2 forms saturated and unsaturated. However, too many saturated fats can lead to heart disease.Slide23
Too much energy in your diet?Slide24
Which nutrient(s)?
Which nutrient is found in the foods belowWhat is the role of this nutrient?
Carbohydrates- produce ‘quick’ energy. Can be in two forms complex carbohydrates and sugarsFibre- wholemeal foods help normal digestionSlide25
Not enough energy in your diet?