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volcano

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volcano

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  1. ~English presentation~ volcano ajeng.adry.via.wennie

  2. Do you know what volcano is ?

  3. Volcano diaphragm

  4. broad, shallow volcanic cone has many little craters on its slope Throws out much ash into the air

  5. seismograph

  6. How seismograph works ?

  7. Let’s make an experiment ! We need.. Food coloring (red) Brown play dough vinegar water Baking soda detergent

  8. how to make ? Step 1 form a mountain from play dough,put little jar as a mouth of the mountain (as a crater) Step 2 Mix the baking soda, detergent, water, and red food coloring Step 3 Put the vinegar into the jar, and…

  9. ..stand back to watch your volcano erupt!

  10. How can it be possible ?? The cool red lava is the result of a chemical reaction between the baking soda and vinegar. In this reaction, carbon dioxide gas is produced,which is also present In real volcanos.