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actually it is not known exactly who made them but we do know when and what country it was china in the 12th century to scare evil spirits
What else can I help you with?
What color fireworks do strontium copper and barium create?
Strontium creates red fireworks, copper creates blue fireworks, and barium creates green fireworks. Mixing these chemicals in various proportions can create a range of colors in fireworks displays.
What does powdered aluminum do in fireworks?
Aluminum powder creates the bright and shimmery sparks in fireworks.
How do fireworks demonstrate transformation of energy?
Fireworks demonstrate the transformation of energy. When there is a chemical reaction, it creates sound and light energy.
How do fireworks demonstrate the transformation of energy?
The energy transformation during fireworks show are, fireworks convert chemical energy into light and sound energy.
Are exploding fireworks endothermic?
Yes, the chemical reactions responsible for a firework's explosion are typically exothermic, meaning they release heat energy to the surroundings. This is what creates the colorful display and loud noise associated with fireworks.
What chemical compounds cause fireworks to explode?
The explosion in fireworks is caused by the rapid combustion of gunpowder, a mixture of potassium nitrate, charcoal, and sulfur. When ignited, the gunpowder releases a large amount of gas which rapidly expands and creates the characteristic explosions of fireworks.
What energy conversions take place when fireworks explode?
When fireworks explode, chemical energy stored in the fireworks compounds is rapidly converted to thermal energy, causing the fireworks to heat up and ignite. This thermal energy creates heat and light, resulting in the colorful displays we see in the sky. Some of the energy is also converted into sound energy as the fireworks explode.
Why do fireworks have different colors when they explode in the sky?
Fireworks have different colors when they explode in the sky because of the different chemical compounds used in their composition. When these compounds are ignited, they release energy in the form of light, which creates the colorful display we see. Each compound emits a specific wavelength of light, resulting in the variety of colors seen in fireworks.
Does fireworks produce heat?
Yes, fireworks produce heat as they contain materials that undergo combustion reactions to create colorful displays in the sky. The heat generated during these reactions is what causes the explosion and creates the burst of colorful light that we see.
How do you write a sentence describing fireworks?
Fireworks display are explosive pyrotechnic devices which creates beautiful and colourful display, usually used for celebrating an occasion like weddings, parties, Guy Fawkes night, New years and Diwali festival.
Which element creates blue color in fireworks?
Copper compounds, such as copper chloride or copper sulfate, are responsible for creating blue colors in fireworks. When these compounds are ignited, they emit a blue flame due to the energy released by the copper atoms.
What produces the color in fireworks?
Different compounds are responsible for producing different colors in fireworks. For example, strontium salts produce red, barium salts produce green, copper salts produce blue, and sodium salts produce yellow. When these compounds are heated, they absorb energy and then emit light in the form of colors.
