Download - Concept Attainmenet Model on buoyancy
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A building collapsing
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Ship
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Iceberg
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Leaves falling from the tree
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Cork
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Apple falling from the tree
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Ball
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Man jumping off the cliff
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Ice cubes in a glass
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Man falling
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Separate the above examples into positive and negative examples
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What are the essential characteristics of positive examples ?
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How are the positive examples different from the negative examples ?
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Define the concept in your own words
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The objects float on water due to a upward force or thrust called buoyancy exerted by the water
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Eggs in a bowl
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Lifebuoy
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Toy duck
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Coins on a table
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Man floating
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Why are some examples negative
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Why are some examples positive
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State some more positive examples of your own
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What came to your mind when you first came across the positive and negative examples
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Did any example confuse you ?
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1.downward force > upward force 2. mass per unit volume of the object (density)3.density of the fluid
why does a coin sink and a cork float ?