Natural Sciences and Technology Grade 6-A - Thunderbolt Kids

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REVISION: 1. Write adefinition for 'food processing' that will explain what it means. 2. There are three main reasons why we process food. Explain what is meant by the following words in relation to food processing. a. preserving b. cooking / frying c. fermenting 3. List three drawbacks why many people believe that food processing is not good for their health. 4. Describe how you would preserve extra fish that you had caught while on an overnight camping trip. 74 Life and Living
5. A farmer wants to export some green (white) table grapes to Australia from his farm near Worcester in the Western Cape. Suggest the best form of transport that you know of that he should use and explain why you gave him this advice. 6. The lives of many diabetics and people with severe food allergies have been drastically improved with the invention of many processed foods. Explain why you think this is so. 7. Below is atable. Next to each item in column A write the degree to which the raw materials were processed. Food Degree of processing mealie bread fresh mealie washed and packaged sunflower oil Chapter 4. Food processing 75
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Natural Sciences and Technology Gra
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AUTHORS LIST This book was written
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Welcome to Grade 6 and to Natural S
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Hey! My name is Tom. I have two pla
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Hello! My name is Sophie. One of my
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Table of Contents Life and Living a
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Scientists have found out exactly h
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- stem (sugar cane) - seeds (wheat
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2. Design a poster for your Gr 4fri
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Sunflower seeds. Lettuce. Sugar can
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QUESTIONS: 1. Was it easy to distin
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QUESTIONS: 1. Which test do you thi
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QUESTIONS: 1. Make a list of living
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REVISION: 1. List the four things t
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7. What do plants store glucose as?
Page 33 and 34: Examples of the foods in the food g
Page 35 and 36: 3. Fats and oils: Meat. Lentils. Al
Page 37 and 38: Name of vitamin Sources Function Vi
Page 39 and 40: Very often food manufacturers add d
Page 41 and 42: The natural foods contained a mixtu
Page 43 and 44: KEY CONCEPTS • Food groups: - foo
Page 45 and 46: Name of vitamin Vitamin A Vitamin C
Page 47 and 48: • The food in the middle of the p
Page 49 and 50: Tuesday Wednesday Thursday Friday t
Page 51 and 52: 4. What important food group is Raj
Page 53 and 54: Breakfast: Option 1: Fruit loops Op
Page 55 and 56: Supper: Option 1: Chicken pieces Op
Page 57 and 58: Causes of apoor diet There are many
Page 59 and 60: • Diabetes: This is adisease that
Page 61 and 62: 3. On your poster, you must include
Page 63 and 64: 4. Write a paragraph where you expl
Page 65 and 66: ACTIVITY: A REALLY old role play Wo
Page 67 and 68: 2. Can you predict how the locals w
Page 69 and 70: Benefits of food processing Food pr
Page 71 and 72: Food Reason for being processed Raw
Page 73 and 74: ACTIVITY: Class discussion INSTRUCT
Page 75 and 76: Highly processed foods: • Highly
Page 77 and 78: preserve it, just like people did 3
Page 79 and 80: ACTIVITY: Comparing traditional and
Page 81 and 82: 5. Use the space below to draw a fl
Page 83: KEY CONCEPTS • Food is processed
Page 87 and 88: I really enjoyed that, especially l
Page 89 and 90: • arctic and alpine tundra are in
Page 91 and 92: A unique South African ecosystem So
Page 93 and 94: A healthy ecosystem is one in which
Page 95 and 96: In this man-made forest, there is n
Page 97 and 98: • insectivores only eat ... can y
Page 99 and 100: A food web in asavanna. There are a
Page 101 and 102: • Forest ecosystem: grass, small
Page 103 and 104: 7. When marking out your ecosystem
Page 105 and 106: 2: 3: Animal species: 1: 2: 3: Chap
Page 107 and 108: interdependent and they are connect
Page 109 and 110: REVISION: 1. Provide a definition f
Page 111: 10. What choices do you need to mak
Page 115 and 116: Did you know that all matter is act
Page 117 and 118: We would see that the particles in
Page 119 and 120: 3. If you should come into contact,
Page 121 and 122: In the next table there are 3 pictu
Page 123 and 124: 2. Did they behave dierently? 3. In
Page 125 and 126: 7. What do we call the process when
Page 127 and 128: We have learnt that materials exist
Page 129 and 130: A mixture of dierent coloured jelly
Page 131 and 132: 3. Separate the mixture into a pile
Page 133 and 134: 2. Draw a picture of the mixture. 3
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3. Can you separate the mixture int
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INSTRUCTIONS: 1. Place 10 scoops of
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Picture of mixture INSTRUCTIONS (Pa
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REVISION: 1. What is amixture? 2. L
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Now that we know more about mixture
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ACTIVITY: When is amixture also aso
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What is asolution? When two substan
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Wait! How is it possible for one su
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4. What do you think happened to th
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In the previous chapter, we saw how
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4. Which method do you think works
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3. Complete the following sentences
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dissolved limestone can crystallise
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KEY CONCEPTS • A solution is aspe
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4. What was the mixture of sugar an
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It was quite dicult in the beginnin
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changes are called. QUESTIONS: 1. W
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4. What do we call it when we have
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In the first investigation, we will
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3. What did we change in this inves
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RESULTS: The eect of grain size on
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INVESTIGATION: Does stirring increa
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3. What did we change in this inves
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REVISION: 1. What are the 3factors
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We have learnt a lot about solution
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ACTIVITY: Thinking about pollution
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8. How do you think oil ends up in
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Wetlands are not necessarily wet th
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INSTRUCTIONS: 1. Drill ahole in the
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QUESTIONS Do you remember studying
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REVISION: 1. Look at the picture be
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Water is very important for us and
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QUESTIONS 1. What does 'clean water
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ACTIVITY: Cleaning water in astill
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Filtering is agood way of removing
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2. What size and shape will your fi
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MAKE: Now that you have a design, i
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How is water cleaned by municipalit
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STEP 3: AERATION The raw water now
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6. Name the 5steps in the water tre
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Natural Sciences and Technology Grade 6-A - Thunderbolt Kids

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