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Estimate the calorie content of the meals and the time (in hours and minutes) required for the "burning" of calories that a person takes to consume 70 kg, at rest, the energy provided by a hamburger. How long can lead a person to consume the energy of a hamburger plus a soda walking? And riding a bicycle? Caution! Note the labels. How about going to a supermarket investigate the labels of certain foods (yogurt, chocolates, soft drinks, cereal bars, etc.)? Record information about calories, types of nutrients, net content of various brands, including diet and light type. By answering the following questions, remember that the amount of nutrients given on the labels refer to 100 grams of product. Compare the number of calories per 100 grams of different types of foods. What is the difference between the common type, diet and light? Do the same with respect to proteins and fats. Which type of food is better to consume? What differences did you find between the relevant elements? Suppose that you decide to eat for one day only yogurt. How many bottles should you eat to meet their daily calorie needs? Who play with fire can burn. And who messes with sugar? See other examples of chemical and physical transformations that normally process with the release or absorption of energy: The decomposition of limestone to produce quicklime (CaO) requires continuous supply of heat to complete the reaction. The absorbed light energy from the sun causes the chlorophyllous plants perform photosynthesis. The + energy C The
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Procijenite kalorija sadržaj obroka i vrijeme (u satima i minutama) potrebnog za "gori" od kalorija koje osoba uzima konzumirati 70 kg, u mirovanju, energiju dobili od hamburgera. Koliko dugo može dovesti osobu da konzumiramo energiju hamburger plus soda šetnju? I vožnja bicikla? Oprez! Obratite pozornost na oznake. Kako o idući u supermarketu istraži oznake određene namirnice (jogurt, čokolade, bezalkoholna pića, žitarica barovi, itd.)? Unos podataka o kalorijama, vrstama hranjivih tvari, neto sadržaja različitih marki, uključujući i prehrane i vrsti svjetlosti. Odgovoriti na sljedeća pitanja, sjetite se da je količina hranjivih tvari navedenih na etiketama odnosi na 100 grama proizvoda. Usporedite broj kalorija na 100 grama različitih vrsta hrane. Koja je razlika između zajedničkog putovanja, prehrane i svjetla? Isto učinite s obzirom na proteine i masti. Koja vrsta hrane je bolje konzumirati? Ono razlika ste pronašli između relevantnih elemenata? Pretpostavimo da ste odlučili pojesti za jedan dan samo jogurt. Koliko boce treba jesti kako bi se zadovoljile njihove dnevne kalorijske potrebe? Tko može igrati s vatrom spali. A tko zeza sa šećerom? Pogledajte ostale primjere kemijskih i fizikalnih transformacijama koje se obično obrađuju s izdavanjem ili apsorpcijom energije: Raspadanje vapnenca proizvoditi vapno (CaO) zahtijeva stalnu opskrbu toplinskom energijom za dovršetak reakciju. Apsorbira svijetlo energiju od sunca uzrokuje chlorophyllous postrojenja obavljaju fotosintezu. + energija C