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Acetone will not make Styrofoam hard. Putting Styrofoam in acetone will dissolve how to do it is easy. Place a bit of acetone into a bowl then put in the Styrofoam in the bowl and it will dissolve away.
you make the Styrofoam look like it
If you think about it Styrofoam is softer than rubber. They changed from rubber to foam because people were getting injured from being hit in the face by hard rubber balls.
with push pins on a thin wood bord or hard styrofoam. Mark the dots before and place the pins
No...mixing styrofoam and gasoline makes napalm.
Dow Chemical company is the leading producer of Styrofoam. Styrofoam is used to make many things such as plates and cups.
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using chemicals
Styrofoam has pockets of air. These pockets make it harder for heat to travel through.
A model house/building your own world (Styrofoam ball) and anything you can imagine.
No, wrapping it up in something heavy will not make the Styrofoam itself weigh more.
The lithosphere makes up the rigid surface of the Earth.