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Unit: Science and Technology Topic: Impacts
Mathayomsuksa 4
Vocabulary
genetically modifiedEx. Many Americans eat genetically modified beef. (adj.)
GM
diversity
(n.)Ex. There is no diversity in the plant life of particular area and ecosystem.
pesticideEx. The crops dont need a lot of pesticides, fertilizers and water to grow.(n.)
Structure
Participle Phrase A participle phrase will begin with present or past participleas adjectives, adding description to the sentenceFunction
Past participle phrase
A regular past participle will end in a consistent - ed These crops grown with GM technology stay fresh for a long time.Americans drink fruit juice made from genetically modified fruit.modifies modifies
Present participle phrase
If the participle is present, it will dependably end in - ing
This process produces new varieties of organisms resisting deceases. modifies
Punctuate a participle phrase correctlyWhen a participle phrase introduces amain clause, separate the two sentence components with a comma. Participle phrase+,Main Clause+comma
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Knowing that GM crops often contaminate others crops, the scientists still develop GM technology.ExampleParticiple phraseMain clause
When a participle phrase concludes a main clause and is describing the word right in front of ityou need no punctuation to connect the two sentence partsMain Clause + no comma + Participle phrase
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This process produces new varieties of organisms resisting deceases.Examplemain clauseparticiple phrase
Text 3GM technology In some countries, like the USA, people already eat a lot of GM food. At breakfast, the milk on their cornflakes probably comes from a genetically modified cow, and the cereal in those corn flakes probably comes from genetically modified corn.
At lunch, many Americans eat genetically modified beef, chicken or ham on their sandwiches, or in their salad, every day and drink fruit juice made from genetically modified fruit.
Activity
1. Get in pair.2. Read the text about GM technology.3. Summary the pros and cons of the technology.4. Write a list in the two columns.
Directions: While-writing Reading grid
For GM technologyAgainst GM technology
While-writing Reading grid
Post-writing
Structured paragraphs
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Directions:
1. Read text 3 GM technology again.
2. Write your own paragraphs in the topic GM technology in your life by using the participle phrase you have studied.
Introduction (Paragraph 1)Main body (Paragraph 2) Conclusion (Paragraph 3)the paragraph that begins with very general information about the GM technology that you have knownWhat is GM technology? .the paragraph that tells your experiences about GM technology.What are GM products or food that you know? Do you use or eat them in your life? Do you think they are safe for the livings and environment?
the paragraph that summarizes the main point of the body and your opinion. Are you for or against GM technology?Guideline: Paragraph structures
Topic__________________________
Introduction_____________________________________________________________________________________________________________________________________________________________________________________Body__________________________________________________________________________________________________________________________________________________________________________________________Conclusion________________________________________________________________________________________________________________________________________________________________________________________
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