Recognizing the main_idea_ppt

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Recognizing the main_idea_ppt

  1. 1. Created by Jackie Collinsand Lisbet Gray
  2. 2. A paragraph has two essentialcomponents:1) The main idea expressed in topicsentence.2)Additional sentences providingsupporting details.
  3. 3. The moresupportingdetails youhave, thesturdieryour mainidea is!
  4. 4. Identify the main idea ineach paragraph. Clickon the sentence that statesthe main idea.
  5. 5. Lantern fish live near the bottomof the ocean where it is very dark,so they carry their own lights. Thelights look like tiny glowing pearls.They are called photophores. A lanternfish can flash its photophores on and off.1)The light looks like tiny glowing pearls.2) Lantern fish live near the bottom ofthe ocean where it is very dark, so theycarry their own lights.
  6. 6. OOPS! TRY AGAIN.
  7. 7. A backswimmer has a rounded back and itsunderside is flat. When it floats on its backit looks like a little boat. It rows itself alongin the water using its two hind legs like oars.The backswimmer spends most of its timeupside down.1) The backswimmer spends most of its time upside down.2) A backswimmer has a rounded back and its undersideis flat.
  8. 8. OOPS! TRY AGAIN.
  9. 9. When Martin Luther King, Jr. spoke, people listened.Poor people, rich people, white people, black people,people from other countries-they all listened. Manyhelped him work, march, sing, and pray for justice.He asked people not to fight with each other. Hesuggested peaceful ways to solve problems. MartinLuther King, Jr. had a special talent for leadership.1) Many people listened to Martin Luther King, Jr.2) Martin Luther King, Jr. was an influential leader.
  10. 10. OOPS! TRY AGAIN.
  11. 11. Next time you see lightning, count the number of secondsthat pass until you hear thunder. The lightning is a mileaway for every five seconds that you count. In this way, youcan “measure” how far the lightning is from you. Scientistsknow that the speed of light is faster than the speed of sound.So calculating the difference between the two speeds, theyhave developed this easy five-second formula.1) You can figure out how far away lightning is.2) The lightning is a mile away for every five seconds that youcount.
  12. 12. OOPS! TRY AGAIN.

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