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  1. 1. CLASSROOM RULES 1.Be on time. 2. Listen carefully while others are speaking. 3.Raise your right hand when you want to speak. 4. Cooperate and participate in every activity. 5. Respect the ideas and opinions of your classmates.
  2. 2. REBUS PUZZLE M E C H A N I C S Each group will form a circle and all they have to do is to analyse the picture and use a mathematical equation which is the + and - .to answer the clueless word. Each group will answer the hidden word using a pen and bond paper. Whoever group will have the highest score will be the winner.
  3. 3. + = Keyboard
  4. 4. - MP + - N = LAVA 1.
  5. 5. - NO + - SK = MAGMA 2.
  6. 6. - NE + -RACE = CRATER 3.
  7. 7. +N + =CINDER 4.
  8. 8. -EP + -BU = SHIELD 5.
  9. 9. -PUTER + =COMPOSITE 6.
  10. 10. -DOR + T =VENT 7.
  11. 11. VOLCANO
  12. 12. Objectives: 1.Describe volcano and it’s parts. 2.Illustrate and describe the different types of volcano. 3. Infer the importance of knowing the different types of volcano.
  13. 13. Picture Perfect
  14. 14. Volcano A Volcano is an opening in the Earth’s crust through which lava, volcanic ash, and gases escape.
  15. 15. Parts of a Volcano
  16. 16. Crater Is the mouth of a volcano and can be found at the top of the volcano
  17. 17. Craters- are formed by the outward explosion of rocks and others materials from volcano. They are usually more circular than calderas and usually much smaller than calderas. Caldera- are formed by the inward collapse of a volcano during or after an eruption.
  18. 18. Main Vent A point in the Earth’s crust where hot magma has been able to rise from the magma chamber and reach the surface.
  19. 19. Magma Chamber Large underground pool of molten rock sitting underneath the Earth’s crust.
  20. 20. Lava Magma Magma- a molten rock beneath the Earth’s crust Lava- a molten rock that reaches the Earth’s surface during volcanic eruption. Ash- is a mixture of rock, mineral, and glass particles expelled from a volcano during a volcanic eruption.
  21. 21. Standards in Doing Group Activity 1. Read the instructions carefully. 2. Work quietly and cooperatively. 3. Observe time management and cleanliness.
  22. 22. Activity 1: I am Who Say I am Group 1 Based on the picture you have, describe the Composite Volcano using “Concept Map” Group 2 Based on the picture you have, describe the Cinder Cone Volcano using “Volcanic diagram” Group 3 Based on the picture you have, describe the Shield Volcano using “Mind Mapping”
  23. 23. Types of a Volcano Composite Volcano or Stratovolcano Large, nearly perfect sloped structures formed alternate solidification of both lava and pyroclastic deposits.
  24. 24. Cinder Cone Volcano • The simplest and most common type of volcano. • This is built from ejected lava fragments. They have a steep slope, wide circular crater. Mt. Paricutin in Mexico
  25. 25. Shield Volcano • Very big in size, formed by the accumulation of lava that oozes out from the volcano. Since non-viscous lava can flow freely. A broad, slightly doomed structure that resembles a warrior’s shield is formed. Mauna Loa in Hawaii
  26. 26. Let’s Do It Direction: Complete the bubble map by supplying the importance of knowing the different types of volcano of. You have only 3 minutes in doing the task.
  27. 27. Direction: Read the following questions carefully. Choose the correct answer from the given choices. 1. What part of a volcano described as the molten rock that reaches the Earth Surface? A. Lava B. Vent C. Crater D. Magma
  28. 28. 2. Which best describes volcano? A. A natural opening in the Earth’s crust through which lava, volcanic ash and gases escape. B. A natural closing of the Earth’s surface which volcanic materials are ejected. C. A beautiful landforms that eject gases. D. Destructive and erupt violently.
  29. 29. 3. Which of the following is NOT a type of volcano base on shape? A. Composite B. Cinder Cone C. Shield D. Crater
  30. 30. 4. What type of volcano has broad summit areas, which makes it resemble a warrior’s shield? A. Composite B. Vulcanian C. Shield D. Cinder
  31. 31. 5. Which of the following is not a parts of volcano? A. Magma B. Lava C. Crater D. Cinder Cone
  32. 32. Activity: Create Me! Direction: Draw a model of a volcano on a bond paper. Put colors using crayon or color pens. Label each part correctly.