It can be heated and change appearance, can be painted or stained, can be hardened.
it is the tempered glass!
glass itself is made from sand that has been heated at very high temperatures.
Water can be condensed on the bottom of the glass cover.
Falls and then rises
Yes, because if glass is heated it breaks, if glass is not heated it doesn't break.
they shrink and shrivel up
Nothing will make a glass dish shrink. ( Are you experiencing any other strange things.)
It can be heated and change appearance, can be painted or stained, can be hardened.
Heat would cause the molecules to speed up movement and expand metals. Glass melts, paper burns, clay would shrink as water vapor escapes, etc.
no, sand is heated to make glass :) youtwat.^.^
it is the tempered glass!
sand is grinded and then heated and left to moult into glass
When the heated glass first begins to sag.
Glass is made by sand that is heated at extereme hot tempetures
it will shatter
Because as the balloon is heated, the gases on the inside of the balloon begin to expand and press out on the walls of balloon. If a balloon is refridgerated, the opposite is true: the gases on the inside of the balloon will begin to contract, causing the balloon to shrink.