Science(Food)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is need for a balanced diet? | (Fat polly cannot move very well) Fat, protein,carbohydrate(incl fibre) minerials.vitamins and water
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| What are the groups in a food chain? | Cerals,bread and potatoes. Fruit and Veg. Diary. Meat and fish. Other
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| Name three types of carbohydrates | Sugars,strach,fibre
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| What is the funtion of sugars and name commom sources | Fast supply of energy. Sweets and soft drinks
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| What is the funtion of strach and name commom sources | Slower supply of energy. Bread,potatoes,rice,pasta
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| What is the funtion of fibre and name commom sources | Helps food move through the itestines. Cereals,fruit and veg
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| What is the funtion of fat and name commom sources | Inslulate the body,store energy in the body. Butter,cream,oils
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| What is the funtion of proteins and name commom sources | Make muscels,hair and hormones. Meat,fish,eggs
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| What is the funtion of vitimin c and name commom sources | Kepps skin and gums healthy. Fruit, green veg
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| What is the funtion of vitimin d and name commom sources | Froms strong bones. Milk butter, cheese
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| Name two types of minerals | Iron(Fe) Calcium(Ca)
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| What is the funtion of Iron(Fe) and name commom sources | From part of the red blood cells. Red meat, green veg
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| What is the funtion of Calcium(Ca) and name commom sources | Froms strong bones. Milk,cheese,yogurt
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| What is the funtion of water and name commom sources | Allows cells to function. Drinks, vegetables
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| What is the test for starch? | A few drops of iodine is added to bread. If the sample remains yellow/brown starch is not present. If it trns a blue/black clour stach is present. Starch was present in this case
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| What is the test for reducing(simple)sugars? | When Benidicts soloution is was added to 7up. If the solution remained a blue colour sugars were not present, where as the the solution turned a brick red colour, sugars were present. Sugars where pesent in this case
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| What is the test for fat? | Butter is placed onto brown paper. The paper is folded and rubbed. It was then left in a warm room to dry. If there was not stain present there was no fat.
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| What is the test for protein? | Dissolve a sample of food in water,add a few drops of sodium hydroxide, add a few drops of copper sulfate.It the colour changes from blue to purple protein is present, if it stays blue there is no protein present.
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| How do you investigate the conversion of chemical energy into food energy?Part 1 | Half fill a test tube with water,then place the test tube in a retort stand. Record the temperature of the water using a thermometer.Stick a long needle into a piece of cream cracker and light it by holding it in the flame of a bunsen burner.
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| How do you investigate the conversion of chemical energy into food energy?Part 2 | Hold the burning cream cracker under the tube of water. When the cream cracker has finished burning record the temperature of the water. The temperature of the water should have rose(risen)
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Created by:
Chimozukee
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