Containers or Boxes.
A ship loaded with a cargo of Styrofoam would rise higher in the water compared to if it were empty. Styrofoam is less dense than water, so it provides buoyancy and causes the ship to float higher in the water.
you make the Styrofoam look like it
Dow Chemical company is the leading producer of Styrofoam. Styrofoam is used to make many things such as plates and cups.
using chemicals
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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.
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.
To make styrofoam smooth and paintable, you can sand the surface with fine-grit sandpaper to remove any rough edges or imperfections. Then, apply a coat of primer specifically designed for styrofoam to create a smooth base for painting. Once the primer is dry, you can paint the styrofoam with acrylic or spray paint for a finished look.
Mixing styrofoam and gasoline will not create an adhesive. However, the combination can be highly flammable and dangerous as styrofoam can dissolve in gasoline, releasing toxic fumes. It is not recommended to mix these two substances.
Use a styrofoam ball