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  #1  
Old 10-10-2005, 05:10 PM
chasgrlat16 chasgrlat16 is offline
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Default project for 8th grader

I[FONT=Comic Sans MS] need a project that demonstrates an object floating, sinking, then resurfacing. No idea where to start. Any assistance is appreciated.[SIZE=2]
  #2  
Old 10-11-2005, 06:49 AM
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buoyancy????
density????
any of those????
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+---oOO----(_)---Ooo-----+

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.

  #3  
Old 10-11-2005, 06:54 AM
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Talking just trying to help

i have an expeinment get a bottle (large) fill with water leave a bit of air, get a pen lid the curved cap with a hole on top, get blue tack and stik a small piece at the bottom of the pen lid stem thing and place in bottle gentally let it float, leave bottle top opened squeze the bottle and the pen lid should sink release the lid will rise... I think that is how it is done or this one beaker with tea leafs and water over bubsen burner let it boil and watch the tea leafs. if not clear just reply...
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  #4  
Old 10-12-2005, 02:41 AM
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Default

you got my head spinning
__________________
///\\\
(@ @)
+---oOO----(_)---Ooo-----+

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.

  #5  
Old 10-26-2005, 05:37 PM
No1science No1science is offline
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Lightbulb 7th grade project

need a project that demonstates an object floating, sinking, then resurfacing. This must not contaminate the tank. Totally lost for ideals. Any assistance is appreaciated.. Thanks!
  #6  
Old 10-27-2005, 06:16 AM
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Wink

sorry guys ok here...

equipnemt:
a pen lid that has a round top with a hole
a large bottle 2L
1.9L water
blue/ glue tack

procedure:

1) Fill the 2L bottle with the 1.9L water.
2) stick glue/ blue tack to end of stem of pen lid.
3) place in water and let pen lid have a bubble in lid.
4) squezze bottle and realease... reapet and record...

hope it's more clearer... tell if you need more detail...
__________________
"Things happen for a reason"
science Rocks
happy day
(>.<)
"with out war we cannot appreciate peace!"

Gentle movements
of love,
The watching over from Heaven.
The eternity of love.
Wonders, Questions
that could never be answered.
But only faith
that swirls forever around us.
Praise Lord Jesus Christ!

By Wisteria

what is the meaning of life?

more to come...
  #7  
Old 10-27-2005, 08:33 AM
sunnyirl175 sunnyirl175 is offline
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Default

Quote:
Originally Posted by chasgrlat16
I[FONT=Comic Sans MS] need a project that demonstrates an object floating, sinking, then resurfacing. No idea where to start. Any assistance is appreciated.[SIZE=2]

try soap, heat it in a microwave, then put it in water
  #8  
Old 10-27-2005, 08:34 AM
sunnyirl175 sunnyirl175 is offline
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Default

Quote:
Originally Posted by sciencefreak
buoyancy????
density????
any of those????
i need a project about astronomy
 

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