The topic:Water is a polar molecule that is both adhesive&cohesive.Water is an essential to life because it helps dissolve substance needed for ife.Water also helps create a stable environment because of its ability to store heat.Pure water always has an equal number of hydrogen ions&hydroxide ions.
Hypothesis:If the penny has too much water on top of it,it will spill.
Materials:We use tap water,penny,2 cups,dropper,paper towels,soap(dish),Ajax
Procedure:The first thing we did is we got tap water and try putting several drops on the penny without spilling it and then we got soap and did the same thing.We checked to see whether the tap water or soap water can stay the longest without spilling.
Conclusion:?
Can you guys help me with the conclusion?PLEASE thats all I'm asking for.
2006-11-02
16:16:30
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3 answers
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asked by
jaqueline_nguyen
2
in
Science & Mathematics
➔ Biology