Download - Concept Attainment Model on magnetism
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Fridge magnets
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Magnet attracting iron nails
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Leaves on the tree
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Crane attracting metal
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Pen and a book
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Metal clips attracted to the object
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Pair of shoes
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Pencils
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Wood
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Crane using a magnet to separate scrap
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Paper Boats
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U-clips in the attracted to the box
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Separate the above examples into two groups 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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A strong attractive force between two objects and acting on metallic objects
and not on some objects.
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Steel ruler and pencil
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Magnet for the fridge door
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Handshake
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Coins on a table
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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 ?