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
d. List some of the dangers that wetlands face. e. Search the wordsearch puzzle for the types of animals found in wetlands. See if you can find: • clam • crayfish • mosquito • heron • frog • egret • dragonfly • turtle • fish • shrimp • crab • salamander • duck 186 Matter and Materials
Water is very important for us and all living things. But what happens if the water is not clean? I really want to try build something to make water clean again. Let’s find out how we can do this! Chapter 5. Mixtures and water resources 187
- 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 and 194: QUESTIONS Do you remember studying
- Page 195: REVISION: 1. Look at the picture be
- 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
Water is very important for us <strong>and</strong><br />
all living things. But what happens<br />
if the water is not clean?<br />
I really want to try build something<br />
to make water clean again. Let’s<br />
find out how we can do this!<br />
Chapter 5. Mixtures <strong>and</strong> water resources<br />
187
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