Firecrackers contain flash powder (a mixture of an oxidizer such as potassium chlorate or perchlorate and powdered aluminium or magnesium) or black gunpowder in a paper tube. An attached fuse ignites the flammable mixture. It burns explosively producing gases that rapidly build up pressure and burst the container.

During Diwali, people burst lots of crackers, which leads to the formation of smoke, dust and releases harmful gases. All these are the reason why the air quality deteriorates post-Diwali. 

Most fabric used in "Fast Fashion" is made from petroleum. Synthetic fabrics such as Polyester, Acrylic, Nylon, Spandex and Acetate are all made from nonrenewable fossil fuels. The production of these synthetic fabrics is emission-intensive and environmentally degrading.

Addition of the Irrational Numbers :Irrational Number $+$ Irrational Number $=$ May or may not be an Irrational NumberExample: $√2 = 1.414… , √3 = 1.732…$ $√2 + √3$$= 1.414… + 1.732…$$= 3.146……$3.146…… is non-repeating and non terminating. Therefore, it is an irrational number. $( 1 – √2 )  + √2$$= 1 – √2  ... Read More

Uses of Electromagnets :Electromagnets are used in Motors and Generators. Electromagnets are used in Transformers, Pickups and Relays. Electromagnets are used in Electronic devices like TV, Computer, Speakers. Electromagnets are used in Elevators, Lifts.   

Electromagnetism is a branch of Physics, that deals with the electromagnetic force that occurs between electrically charged particles.Electromagnet- Unlike a normal magnet, an electromagnet is a magnet that runs on when electricity is passed through it. Its strength can be changed by varying the amount of electricity passed through it. ... Read More

Glass is a poor conductor of Heat and Electricity. So when we pour hot water in a glass, the inner lining of the glass expands. But the outer lining of glass is still cool and does not expand. This causes the glass to crack due to uneven Thermal Expansion.

Dough raising is caused by fermentation due to yeast. Yeast, specifically Saccharomyces cerevisiae, is used in baking as a leavening agent, where it converts the fermentable sugars present in the dough into carbon dioxide. This causes the dough to expand or rise as the carbon dioxide forms pockets or bubbles.In bread ... Read More

Electricity is neither solid, liquid, nor gas. It is energy. Specifically, it is the movement of electrons.  

Motion is the phenomenon in which an object changes its position or orientation from with respect to a frame of reference over time.  It can be described in terms of distance, displacement, acceleration, velocity, speed and time. For example:- pushing a block, opening a door, rotating stone with attached thread ... Read More