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Life orientation

Grade 7

A healthy lifestyle

Module 1

Personal eating habits and diet

Ways in which personal eating habits and diet can be improved.

The following factors influence the nutritional value of the food that we eat:

  • Manner in which it is prepared: rinsing, washing of hands.
  • Cooking method: deep frying, steaming.
  • Additives: colorants, flavourants.
  • Insecticides: snail bait, pest control.
  • Refining of products: refined flour, brown rice.
  • Food storage, preservatives: long life milk, food irradiation.
  • Manipulation of meat and milk products: growth hormones, free-range eggs.

Activity 1:

To discuss key words

[lo 1.1]

Group assignment

Each of the points contains one or more key words. Each group discusses what the specific point means to them. Have a brainstorming session and write down at least 10 key words that describe each point. Sketches can also be used instead of words. Remember that key words could imply good or bad practices. Indicate “good” or “bad” by making a tick or a cross in colour next to the word(s). At the end of the discussion the groups must give feedback to the rest of the learners.

Finally, the class as a whole discusses all the negative influences identified by the group.

Activity 2:

To read a text and answer the subsequent questions

[lo 1.1]

Individual assignment

Read the following information and then carry out the instructions:

Take five for health!

In the hustle and bustle of modern-day life we are often too busy to prepare and enjoy a nutritious meal. In addition, the media, and sometimes even our friends, confuse us by propagating contradictory information about healthy eating habits. How on earth must we know what to eat and what to avoid?

Stress, caffeine, smoking, eating on the run, and dependence on fast foods are just some of the factors that we have to take into consideration if we want to follow a healthier lifestyle and eat what is really good for us. It has been scientifically proven that specific nutrients, vitamins and minerals are essential in protecting us against the so-called “lifestyle diseases” such as coronary disease and cancer.

Fruit is an excellent source of essential nutrients. Fruit is low in calories and fat, and contains both soluble and insoluble fibre that can counteract many kinds of gastric problems such as constipation and cramps. Five portions of fruit per day would form the basis of a healthy diet programme. But remember: depending on certain conditions, people’s dietary needs may differ. Diabetes, for instance, is a very significant determining factor in our choice of foodstuffs. Before embarking on a strict diet, one should consult a doctor or clinic sister.

Here are a few hints to consider in following the “take five” eating pattern:

  • Eating a fruit on the run is an alternative if there isn’t any time to sit down to a leisurely meal.
  • Spoil yourself with a fruit shake. Blend soft fruits such as bananas or peaches with low fat milk or yoghurt.
  • Satisfy your “sweet tooth” with fruit instead of dessert.
  • Pancakes with fruit fillings are deliciously different for a party.
  • Chopped fresh or dried fruit is a tasty addition to a mixed fresh salad.
  • If you make those mouth-watering “spoiling mom” fritters, substitute half of the oil with apple juice, and add half a cup of grated apples to the batter.

1. Make a list of five of your favourite fruits.

2. Write down at least three more “fruit hints”.

Activity 3:

To complete a quiz

[lo 1.1]

Another individual assignment

Not all fun foods are bad for you. One can feast on popcorn without feeling guilty. Popcorn, corn on the cob and mealie-meal are the maize products that South Africans consume most. Fortunately, they contain many nutrients.

Now do the popcorn quiz.(This quiz has been taken from the magazine Longevity , September 2000.)

Answer true or false :

1. Maize (corn, or a mealie) is a vegetable.

2. By eating maize and maize products you can protect your eyesight.

3. Popcorn is just as good for you as corn on the cob.

4. Yellow maize contains just as much carotene as white maize.

5. Maize oil is not a healthy choice in food preparation.

6. Sweetener made from maize products has more nutrient value than sugar.

Answers to the quiz:

1. False. Maize is a cereal.

2. True. Yellow maize is a rich source of carotene, lutene and zeaxantene that promote good eyesight, and counteract the growth of eye cataracts.

3. True. Popcorn (without butter and salt) is an excellent low-calorie snack. Pre-packed microwave popcorn or popcorn you buy at the movies is not as low in calories, and not as healthy, because they contain vegetable oil and sodium.

4. True. Half a cup of yellow maize contains about 200 IU units of beta-carotene, and white maize none.

5. False. Maize oil is excellent for food preparation and also as a salad dressing. Just like vegetable oils, it is also low in saturated fats.

6. False. Maize syrup, which is often used in cool drinks and processed foods, has no more nutritional value than sugar.


Learning outcomes(LOs)
LO 1
HEALTH PROMOTIONThe learner will be able to make informed decisions regarding personal, community and environmental health.
Assessment standards(ASs)
We know this when the learner:
1.1 proposes ways to improve the nutritional value of own personal diet;
1.2 evaluates actions to address an environmental health problem;
1.3 describes strategies for living with diseases, including HIV/AIDS;
1.4 discusses the personal feelings, community norms, values and social pressures associated with sexuality.

Questions & Answers

are nano particles real
Missy Reply
Hello, if I study Physics teacher in bachelor, can I study Nanotechnology in master?
Lale Reply
no can't
where we get a research paper on Nano chemistry....?
Maira Reply
nanopartical of organic/inorganic / physical chemistry , pdf / thesis / review
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
Application of nanotechnology in medicine
has a lot of application modern world
what is variations in raman spectra for nanomaterials
Jyoti Reply
ya I also want to know the raman spectra
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
yes that's correct
I think
Nasa has use it in the 60's, copper as water purification in the moon travel.
nanocopper obvius
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
How we are making nano material?
what is a peer
What is meant by 'nano scale'?
What is STMs full form?
scanning tunneling microscope
how nano science is used for hydrophobicity
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
what is differents between GO and RGO?
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
analytical skills graphene is prepared to kill any type viruses .
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
The nanotechnology is as new science, to scale nanometric
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Life orientation grade 7. OpenStax CNX. Sep 10, 2009 Download for free at http://cnx.org/content/col11029/1.1
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