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Old 10-11-2005, 05:55 AM
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Lightbulb

a really really simple one (coz i don't know your grade!!!) is using salt.

make a saturated salt solution in a glass. Attach a string to the centre of a straw and attach a clip to the string. Suspend this in the glass so that the clip is in the solution. Within a few days u should see a salt crystal...
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The Newtons and friends were taking tea
Beneath the boughs of an apple tree,
When a falling fruit landed on the
Head of the head of the family.
Mrs. Newton cried, 'Well deary me!
That could've caused an injury'.
But clever Isaac alone could see,
The situation's true gravity.

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