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Revision – Gr 4: Term 4
Where applicable, write the answers in your class workbook. 1. Read this magazine article
The Story of Penicillin
Alexander Fleming was born on a farm in Scotland on August 6, 1881. He was the seventh of eight children. As a boy Fleming was never one to worry about neatness. He loved exploring the countryside with his eight siblings in the isolated area of Scotland in which they lived.
When he finished school, Fleming trained as a doctor. He liked experimenting with bacteria and germs and often grew cultures in unwashed, shallow, circular dishes. One day, Fleming accidentally made a big discovery that made him very famous. Fleming was going on holiday for two weeks. He left his London laboratory in a mess and left his window open by mistake. In his haste, he also forgot to clean up an old dish that he had smeared with a bacteria culture that he was studying. Soon after he left, a spore containing a rare strain of a fungus mould cal ed Penicil ium, drifted into his laboratory through the open window from another laboratory in the same building. By chance, it settled onto the messy culture dish with its bacteria. This mould was very much like that found on stale bread.
If that wasn’t lucky enough, the weather became colder and the room temperature briefly dropped, so the Penicil ium mould began to grow. The weather soon heated up again, and the bacteria on the dish sprouted like a weed. However, one spot did not grow. In fact the bacteria on that spot had died. That one spot caught Fleming’s attention when he returned from his holiday. It was the spot where the Penicil ium spore had settled and grown. Fleming believed he had discovered something very important. He said. “One sometimes finds what one is not looking for.” He cal ed this mould Penicil in.
Fleming careful y tested his new discovery on animals but without harming them, since he loved all living creatures. His discovery was made in 1929 and was printed in magazines, but no one showed any interest until World War II (1948), when it was used to save many lives. Today, Penicil in is used to treat all kinds of bacterial infections. Perhaps you have even had an antibiotic that contains Penicil in when e-classroom 2013
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2. Oral questions
Answer these questions oral y in full sentences.
2. How many people were there in Alexander Fleming’s family? 3. Which words tell us that Fleming was untidy when he was a child? 4. Which words tell us that Fleming was untidy when he was an adult? 5. Which word tel s us that the Fleming farm in Scotland was out of the way? 3. Written comprehension
Answer these questions. Remember to check your spel ing and punctuation.
1. How old was Alexander Fleming when his discovery saved many lives and 2. What accidental y happened that helped Fleming make his discovery? 3. Can you explain in your own words, what happened to the bacteria culture 4. In which city was Fleming living when he made his discovery about penicil in? 5. What do you think Fleming meant when he said, “One sometimes finds what 6. Why did Fleming think that his discovery would work on humans? 7. Have you ever seen the mould on stale bread? Can you describe it? 8. Use a dictionary to find the meanings of these words: 10. Change these words into the plural: 4. Writing (Creative)
Write a short story about someone that you consider to be your hero. This could be a parent, a relative, a friend or someone in the community that you admire greatly. Use a good col ection of adjectives to describe your hero. Tell us something interesting about him or her and mention why that person has e-classroom 2013
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5. Write a newspaper article (Transactional)
Most news stories are written by asking questions (Who? What? Where? When? Why? How?) The questions who, what, where and when are answered in the first paragraph. The questions why and how are answered in the second paragraph. Write a short newspaper article consisting of two paragraphs about Alexander Fleming’s discovery of Penicil in. Use your own words. 6. Language structure and use
A. Fill in one of the connecting words. 2. I like card games . I don’t like ball games.
3. We wear red shirts . we can see all our players.
B. Write these sentences in the future tense. Start each sentence like this: 2. She writes out the invitations to her party.
5. Pam is making a special birthday gift for Thandi.
C. Find the most suitable adjectives from the word bank and add them to loud • large • old • gruff • long • curly • hairy
tiny • huge • playful • energetic • smooth • sharp
2. The dog has a . voice when he barks.
3. Her kitten has extremely . claws.
4. I also have an . rabbit that runs and hides in the garden.
5. Russian hamsters are such . creatures.
Fill in the verb that agrees with the subject 1. My sister is/are coming home this weekend.
2. He always share/shares his toys with me.
3. My class has/have a lot of homework today.
4. She look/looks nice in that dress.
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E. Tenses. Change these sentences to the simple present tense 1. Alexander Fleming lived in a remote part of Scotland when he was 2. The Fleming siblings played together on their farm.
4. The two boys ran around the big field.
5. His mother went to town and bought bread.
F. Change these sentences to the simple past tense 1. The girl eats cereal for breakfast every morning.
G. Punctuation. Add capital letters, full stops, commas, question marks and 1. mandy bought peas carrots bananas and apples at the store 4. i live in claremont which is in cape town 5. ben goes to gym every monday and wednesday afternoon e-classroom 2013
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Revision – Gr 4: Term 4 (Answers)
Where applicable, write the answers in your class workbook. 1. Read this magazine article
2. Oral questions
Answer these questions oral y in full sentences.
1. Why is Alexander Fleming famous? He discovered penicillin. 2. How many people were there in Alexander Fleming’s family? Ten people 3. Which words tell us that Fleming was untidy when he was a child? Fleming was never one to worry about neatness. 4. Which words tell us that Fleming was untidy when he was an adult? He left his 5. Which word tel s us that the Fleming farm in Scotland was out of the way? 3. Written comprehension
Answer these questions. Remember to check your spel ing and punctuation.
1. How old was Alexander Fleming when his discovery saved many lives and made him famous? He was fifty seven years old. 2. What accidental y happened that helped Fleming make his discovery? He left his London laboratory in a mess and left his window open by mistake. 3. Can you explain in your own words, what happened to the bacteria culture when Fleming was on holiday? Own words 4. In which city was Fleming living when he made his discovery about penicil in? 5. What do you think Fleming meant when he said, “One sometimes finds what one is not looking for?” Own thoughts 6. Why did Fleming think that his discovery would work on humans? It is because it had worked on animals. 7. Have you ever seen the mould on stale bread? Can you describe it? 8. Use a dictionary to find the meanings of these words: Antibiotic- a medicine (such as penicil in) that inhibits the growth of or e-classroom 2013
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10. Change these words into the plural: 4. Writing (Creative)
Write a short story about someone that you consider to be your hero. This could be a parent, a relative, a friend or someone in the community that you admire greatly. Use a good col ection of adjectives to describe your hero. Tell us something interesting about him or her and mention why that person has 5. Write a newspaper article (Transactional)
Most news stories are written by asking questions (Who? What? Where? When? Why? How?) The questions who, what, where and when are answered in the first paragraph. The questions why and how are answered in the second paragraph. Write a short newspaper article consisting of two paragraphs about Alexander Fleming’s discovery of Penicil in. Use your own words.
6. Language structure and use
A. Fill in one of the connecting words. 1. I play soccer because I can run fast.
2. I like card games but I don’t like ball games.
3. We wear red shirts so that we can see all our players.
B. Write these sentences in the future tense. Start each sentence like this: 1. Next week Thandi will have a birthday party. 2. Next week she will write out the invitations to her party. 3. Next week her mother will bake a cake. 4. Next week she will put ten candles on it. 5. Next week Pam will make a special birthday gift for Thandi. e-classroom 2013
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C. Find the most suitable adjectives from the word bank and add them to loud • large • old • gruff • long • curly • hairy
tiny • huge • playful • energetic • smooth • sharp
1. That pig has a very curly tail. 2. The dog has a gruff voice when he barks. 3. Her kitten has extremely sharp claws. 4. I also have an energetic rabbit that runs and hides in the garden. 5. Russian hamsters are such tiny creatures.
Fill in the verb that agrees with the subject 1. My sister is coming home this weekend.
2. He always shares his toys with me.
3. My class has a lot of homework today.
4. She looks nice in that dress.
E. Tenses. Change these sentences to the simple present tense 1. Alexander Fleming lives in a remote part of Scotland. 2. The Fleming siblings play together on their farm. 4. The two boys run around the big field. 5. His mother goes to town and buys bread. F. Change these sentences to the simple past tense 1. The girl ate cereal for breakfast every morning. 2. The wind howled through the trees. G. Punctuation. Add capital letters, full stops, commas, question marks and 1. Mandy bought peas, carrots, bananas and apples at the store. 2. “Where is your mother driving to, John?” 3. “Stop pushing that chair around, Tom.” 4. I live in Claremont which is in Cape Town. 5. Ben goes to gym every Monday and Wednesday afternoon. e-classroom 2013
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