1.

• Homework: Mark you past paper from the mark scheme on slide share.

Lesson Objective

Understand fully the term energy balance and how to approach a 6 mark question on this

Start to consider how to answer more generic questions which bring together a wide range of the specification

2. Energy in the Diet

The energy in the diet is provided by fat, carbohydrate and protein

Tomaintain body functions- to breathe, to keep the heart beating, to keep the body warm and all the other functions that keep the body alive.

3. ENERGY BALANCE

Energy IS MEASURED IN KCAL. Different people require different amounts of energy. If too much energy is consumed above and beyond what we need this will result in weight gain, below what we need and this will result in weight loss.

4. Energy and the balance FOOD and EXCERCISE WEIGHT 5. Supersize VS Superskinny

Do they have the energy balance right?

6. Basal Metabolic Rate

The basal metabolic rate is the amount of energy we need when the body is completely at rest. It is the energy we need to keep our bodies functioning, to breath, think, digest food and pump blood around our bodies. Our BMR accounts for about 75% of a persons daily energy needs, the average BMR for a man is 1600KCAL and 1300KCAL for a woman. It can be higher or lower for individuals

7. Occupation Metabolism BMR Male/female BMI AgePregnant women Explain the factors which can effect a persons energy requirements. 8. Older Adults

Energy requirements decrease as energy levels fall so normally older people require less energy. They may also have a loss of appetite.

9. Teenagers

As a teenagers you require the most amount of energy compared to any other time. You are going through a rapid time of growth and development and this requires energy

10. Occupations

Someone who has a physically demanding job like a builder, brick layer, athlete will require more energy than a stay at home mum or an office worker

11. Body Mass Index (bmi)

You can calculate your body mass index by diving your height and weight. A shorter, thinner person will have a lower BMI compared to a taller heavier person, these people will have very different energy needs.

12.

6 mark exam question. You should be making three points and fully explaining them. You will gain 1 mark for a statement, you will gain a further mark for each statement which is fully explained.