any 30 fact related to science and technology
Answers
some facts related to science and technology are...
it is dangerous to sleep in an inventor related room with fire burning inside because of fire produce carbon monoxide and carbon dioxide gases
the filament of an electric bulb is made of tungsten because it has a high melting point and can be heated to a high temperature to EMIT light
water kept in an earthen pitcher becomes cool because the picture has minute pores on its surface which absorb water
a slide Apple when exposed to air turns brown after some time is it contains iron which get oxidised and give the fruit a brownish colour
the freezing compartment inside a refrigerator is at the top because the air in contact with it becomes cold and heavy and sings downwards pulling the rest of the compartment
A copper vessel left in the air for a long time turns green this is due to the formation of copper carbonate when copper reacts with carbon dioxide and moisture present in the air
a wick in a stop keeps burning continuously as kerosene rises in the wick due to capillary action
the Earth rotates on its Axis from west to east this rotation makes the sun and the stars appear to be moving across the sky from east to west
the sky appears blue because the light of the sun is sprayed or scattered by the dust particles in the air in space the sky would appear black is there are no dust Aur Yeh particles to scatter the light
food is cooked quickly in a pressure cooker because the boiling point of water increases at high pressure food cooks faster at high temperature
