Yes. Being made of plastic, a straw will float in water. The mass of the straw is typically designed so that it starts floating only after 3 quarters is inside the water and not before.
A glass of water would sink considering how heavy it is. but if it is plastic it will just float on the top like a ice berg.
If the glass (real glass) is empty and placed in the water upright, it...
Glass can float. Next time you do the washing up notice how a glass plate or a glass floats. That's because glass can float on water
.. other writer..
glass cannot float. it is denser than water...
By adding salt to water, you are increasing the density of the water (essentially how much "stuff" that is in the water). When the density of the salt water becomes greater than the density of the...