By simply holding the object down or, if it is a sponge like material fill it with a heavy liquid. Also you could place a heavy object on it or inside it so it would sinnkk :)
It depends on the structure and position of the object.
suspend particulate
If the object does not quite float in water, adding salt to the water might make the object float, yes.
yes
They do if they are lighter than water.
yes
"Suspension" is the noun form of "suspend."
That depends what object you want to float.
It depends on the density of the water and the weight of the object.
Make a mold of the object and then fill the mold with water and measure the volume of the water.
The principal of the school would not suspend the student from school on principle.The principal of the school would not suspend the student from school on principle.The principal of the school would not suspend the student from school on principle.The principal of the school would not suspend the student from school on principle.The principal of the school would not suspend the student from school on principle.The principal of the school would not suspend the student from school on principle.The principal of the school would not suspend the student from school on principle.The principal of the school would not suspend the student from school on principle.The principal of the school would not suspend the student from school on principle.The principal of the school would not suspend the student from school on principle.The principal of the school would not suspend the student from school on principle.
It depends what the object is. If it can soak up water then yes. If it is made of plastic then no.