Natural Sciences and Technology Grade 6-A - Thunderbolt Kids
Natural Sciences and Technology Grade 6-A - Thunderbolt Kids Natural Sciences and Technology Grade 6-A - Thunderbolt Kids
a. How long did it take the water to run into the window box? b. Why do you think it took the water this long to drain o? 6. Repeat this experiment with sand -this is what happens to rainwater in the Namib or Sahara Deserts. a. How long did it take the water to run into the window box? b. Why do you think it took the water this long to drain o? QUESTION: 1. What did you learn from doing this experiment about the relationship between plants and water drainage in awetland? Wetlands are also important as they provide a habitat to many dierent plant and animal species. Wetlands are important because of their biodiversity. 182 Matter and Materials
QUESTIONS Do you remember studying habitats in Gr 4and Gr 5? What does ahabitat provide to an organism? Discuss with your partner what you understand by the term 'biodiversity' and write it down below. Let's now do some research about the wetlands in South Africa and their importance. ACTIVITY: Researching the dierent wetlands in South Africa MATERIALS: • pamphlets, posters and any other reading material on wetlands • books or other reading material from home, or printed pages from the internet • poster material: cardboard, glue, colour pencils, scissors, pictures, etc INSTRUCTIONS: 1. You might get to visit awetland near your school or hear a talk by a conservationist. Chapter 5. Mixtures and water resources 183
- 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
- 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: INSTRUCTIONS: 1. Drill ahole in the
- Page 195 and 196: REVISION: 1. Look at the picture be
- 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
a. How long did it take the water to run into the window box?<br />
b. Why do you think it took the water this long to drain o?<br />
6. Repeat this experiment with s<strong>and</strong> -this is what happens to<br />
rainwater in the Namib or Sahara Deserts.<br />
a. How long did it take the water to run into the window box?<br />
b. Why do you think it took the water this long to drain o?<br />
QUESTION:<br />
1. What did you learn from doing this experiment about the<br />
relationship between plants <strong>and</strong> water drainage in awetl<strong>and</strong>?<br />
Wetl<strong>and</strong>s are also important as they provide a habitat to many<br />
dierent plant <strong>and</strong> animal species. Wetl<strong>and</strong>s are important<br />
because of their biodiversity.<br />
182 Matter <strong>and</strong> Materials
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