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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?
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Examples of the foods in the food g
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3. Fats and oils: Meat. Lentils. Al
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Name of vitamin Sources Function Vi
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Very often food manufacturers add d
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The natural foods contained a mixtu
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KEY CONCEPTS • Food groups: - foo
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Name of vitamin Vitamin A Vitamin C
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• The food in the middle of the p
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Tuesday Wednesday Thursday Friday t
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4. What important food group is Raj
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Breakfast: Option 1: Fruit loops Op
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Supper: Option 1: Chicken pieces Op
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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
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- 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
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- Page 79 and 80: ACTIVITY: Comparing traditional and
- Page 81 and 82: 5. Use the space below to draw a fl
- Page 83 and 84: KEY CONCEPTS • Food is processed
- Page 85 and 86: 5. A farmer wants to export some gr
- 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
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- 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
- Page 135 and 136: 3. Can you separate the mixture int
- Page 137 and 138: INSTRUCTIONS: 1. Place 10 scoops of
- Page 139 and 140: Picture of mixture INSTRUCTIONS (Pa
- Page 141 and 142: REVISION: 1. What is amixture? 2. L
- Page 143 and 144: Now that we know more about mixture
- Page 145 and 146: ACTIVITY: When is amixture also aso
- Page 147 and 148: What is asolution? When two substan
- Page 149 and 150: Wait! How is it possible for one su
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- Page 153 and 154: In the previous chapter, we saw how
- Page 155 and 156: 4. Which method do you think works
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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