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PRESENTATION OUTLINE
1.
FACTS ABOUT FIRE.
2.
FIRE IS A CHEMICAL REACTION THAT RELEASES LIGHT AND HEAT.
3.
SUBSTANCES COMBINE WITH OXYGEN IN THE AIR, COMBUSTING WITH A FLAME AND
OFTEN SMOKE.
4.
FLAMES ARE PART OF A FIRE WHICH WE CAN SEE, THEY CAN BE IN DIFFERENT COLORS,
DEPENDING ON THE SUBSTANCE WHICH IS BURNING.
Photo by
Kamil Porembiński
5.
A CANDLE FLAME TYPICALLY BURNS AROUND 1000 DEGREES CELSIUS (1800 FAHRENHEIT).
Photo by
Herr Olsen
6.
SCIENTISTS BELIEVE THAT HUMANS BEGAN USING FIRE TO COOK FOOD IN A CONTROLLED
WAY AROUND 1 MILLION YEARS AGO.
Photo by
RDECOM
Caden Huang
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