Natural Sciences and Technology Grade 6-A - Thunderbolt Kids

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2. If you do not get this opportunity, you must still complete the project by doing research in books, pamphlets and on the internet and answer the questions below. 3. Present your report as aposter. QUESTIONS TO ANSWER IN YOUR REPORT: • What is awetland? • What does awetland do for the environment? • What does awetland do for plants and animals? • What does awetland provide for humans? • What are the environmental dangers that wetlands face? • Choose a specific wetland and assess the habitats, biodiversity and water quality of this wetland. • What would the impact be to biodiversity and water quality if this wetland was lost? Wetlands should be protected because: • they are natural water-purification systems; • they act like sponges to store water in the wet season and supply water in the dry season; and • they slow down flood water to prevent damage to property and the environment. KEY CONCEPTS • Clean water is vitally important to ensure the health of humans, animals and plants. • Water can be polluted by insoluble substances, soluble substances and disease-causing germs. • Wetlands act as natural water purifiers because they can absorb soluble and insoluble impurities from water and they regulate water flow across the landscape. 184 Matter and Materials
REVISION: 1. Look at the picture below of the bird covered in oil and answer the questions. 1 A bird covered in oil. a. How do you think the oil got into the water that this bird lives in? b. Is oil asoluble or insoluble water pollutant? c. How will the oil damage this bird and other sea animals? Chapter 5. Mixtures and water resources 185
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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
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• Diabetes: This is adisease that
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3. On your poster, you must include
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4. Write a paragraph where you expl
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ACTIVITY: A REALLY old role play Wo
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2. Can you predict how the locals w
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Benefits of food processing Food pr
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Food Reason for being processed Raw
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ACTIVITY: Class discussion INSTRUCT
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Highly processed foods: • Highly
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preserve it, just like people did 3
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ACTIVITY: Comparing traditional and
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5. Use the space below to draw a fl
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KEY CONCEPTS • Food is processed
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5. A farmer wants to export some gr
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I really enjoyed that, especially l
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• arctic and alpine tundra are in
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A unique South African ecosystem So
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A healthy ecosystem is one in which
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In this man-made forest, there is n
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• insectivores only eat ... can y
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A food web in asavanna. There are a
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• Forest ecosystem: grass, small
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7. When marking out your ecosystem
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2: 3: Animal species: 1: 2: 3: Chap
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interdependent and they are connect
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REVISION: 1. Provide a definition f
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10. What choices do you need to mak
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Did you know that all matter is act
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We would see that the particles in
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3. If you should come into contact,
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In the next table there are 3 pictu
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2. Did they behave dierently? 3. In
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7. What do we call the process when
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We have learnt that materials exist
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A mixture of dierent coloured jelly
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3. Separate the mixture into a pile
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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
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
Page 151 and 152: 4. What do you think happened to th
Page 153 and 154: In the previous chapter, we saw how
Page 155 and 156: 4. Which method do you think works
Page 157 and 158: 3. Complete the following sentences
Page 159 and 160: dissolved limestone can crystallise
Page 161 and 162: KEY CONCEPTS • A solution is aspe
Page 163 and 164: 4. What was the mixture of sugar an
Page 165 and 166: It was quite dicult in the beginnin
Page 167 and 168: changes are called. QUESTIONS: 1. W
Page 169 and 170: 4. What do we call it when we have
Page 171 and 172: In the first investigation, we will
Page 173 and 174: 3. What did we change in this inves
Page 175 and 176: RESULTS: The eect of grain size on
Page 177 and 178: INVESTIGATION: Does stirring increa
Page 179 and 180: 3. What did we change in this inves
Page 181 and 182: REVISION: 1. What are the 3factors
Page 183 and 184: We have learnt a lot about solution
Page 185 and 186: ACTIVITY: Thinking about pollution
Page 187 and 188: 8. How do you think oil ends up in
Page 189 and 190: Wetlands are not necessarily wet th
Page 191 and 192: INSTRUCTIONS: 1. Drill ahole in the
Page 193: QUESTIONS Do you remember studying
Page 197 and 198: Water is very important for us and
Page 199 and 200: QUESTIONS 1. What does 'clean water
Page 201 and 202: ACTIVITY: Cleaning water in astill
Page 203 and 204: Filtering is agood way of removing
Page 205 and 206: 2. What size and shape will your fi
Page 207 and 208: MAKE: Now that you have a design, i
Page 209 and 210: How is water cleaned by municipalit
Page 211 and 212: STEP 3: AERATION The raw water now
Page 213 and 214: 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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