Science Experiment Project

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  • Science Experiment Project

    1. 1. SCIENCE SUMMATIVE ASSESSMENT
    2. 2. SCIENCE SUMMATIVE ASSESSMENT What’s my food for?
    3. 3. SCIENCE SUMMATIVE ASSESSMENT What’s my food for? My food: Kombu By George Wood
    4. 4. NUTRITIONAL INFOServing Size: 1Calories: 10Fat: 0 GramsCarbohydrates: 2 GramsProtein: A tiny amount that did show on our test, but didn’t show on a website onthe internet.
    5. 5. HOW I DID THE TESTSTEP. 1 To test for Glucose: I put kombu in a test tube and then I added water.Then I put Benedict Solution. Then, I put it into a hot water bath. If it turns blue,that means it has Benedict Solution.STEP. 2 To test for Starch: Put kombu into test tube, and add some water. Thenadd iodine, and if the food turns black, this means it contains StarchSTEP. 3 To test for Protein: Add 2 cm of Biuret A and 10 drops of Biuret B. If itturns brown, then it will contain Protein.STEP. 4 To test for Fat: Put kombu onto filter paper. Then, gently rub the foodinto the paper, and then if grease appears, then there is fat in the food.
    6. 6. MOUTHIn the mouth, the amylase in the salivabreaks down the kombu andmoisturises it, and breaks it down. Thekombu will turn into a green paste.This will allow it to travel through thedigestive system. The starch in thekombu is broken down, and glucosecomes out.
    7. 7. ESOPHAGUSThe esophagus will squeezethe kombu with specialmuscles. It does it to preventfood from going back up.Then, the food will go downto the stomach.
    8. 8. THE STOMACHIn the stomach, acids are mixedwith the kombu breaking itdown and taking kills allbacteria. The acid also breaksdown the protein.To make surethe acid doesn’t leek out, thestomach’s inside is covered inmucus.
    9. 9. SMALL AND LARGE INTESTINE In the Small Intestine, the all the nutrients which had been previously broken down, are now absorbed into the bloodstream around the small intestine. In the Large Intestine, any leftover moisture including acids, are absorbed and decontaminated. Then, it is hardened and leaves the body in the form of excrement. This means it is now just poo and wee.
    10. 10. THE DIGESTION SYSTEM
    11. 11. OVERVIEW 1. The kombu is first broken down by my teeth and saliva. 2. Then it travels down the esophagus and into the stomach. 3. In the stomach, the acids breaks apart certain nutrients. This helps them later be absorbed. 4. The small intestine absorbs all the nutrients into the blood to use around the body. 5. In the large intestine, all the moisture is taken, and the waste in ejected.

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