Food

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1st Year science Flashcards on Food, created by Izzy Fox on 26/05/2014.
Izzy  Fox
Flashcards by Izzy Fox, updated more than 1 year ago
Izzy  Fox
Created by Izzy Fox almost 10 years ago
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Question Answer
What do we use food for? To keeps the body working.
Can you name the 5 different groups of food, give an example of each type and say what its function is. 1. Fats - Keeps your body warm 2. Vitamin D - Works with calcium 3. Carbohydrates - Gives you energy 4. Protein - re-pares Muscles 5. Calcium-Minerals - Strong bones and teeth
State the use of water in the human body Keeps us hydrated
Describe what a balanced diet means and gives an example of what a person should eat to have a balanced diet. A balanced diet contains the right amount of the 6 constituents.
What is energy in food measured in? joules
How much joule of energy do boys require a day? 12000kj
How much joule of energy do girls require a day? 1OOOOkj
Protein (Experiment) What is the substance tested? What chemical is used? What is the original colour What is the colour change? - Milk - biuret reagent - White -purpe
Fat (Experiment) What is the substance tested? What chemical is used? What is the original colour What is the colour change? -Oil -brown paper -brown -translucent spot
Starch (experiment) What is the substance tested? What chemical is used? What is the original colour What is the colour change? -Pasta -iodine -Creamy white -Blue/black
Reducing sugar What is the substance tested? What chemical is used? What is the original colour What is the colour change? -7up - Benedicts solution - clear Brick red
The amount and type of food needed by eeach peroson varies according to factors, what are the factors - age -Gender -health -activity
What are the 6 constituents? -Vitamins -carbohydrates -water -Mineral -Fats -Protein
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