Nutrition

• Nutrients


  • Carbohydrate
  • Protein
  • Lipid
  • Vitamin A
  • Vitamin C
  • Vitamin D
  • Calcium
  • Iron
  • Fibre
• Foods where you find carbohydrates


  • Potatoes
  • Pasta
• Protein used for


  Used in the body for growth and repair
• Foods where you find protein


  • Nuts
  • Fish
  • Eggs
  • meat
• Lipid used for


  Used in the body for long-term energy storage and protecting internal organs
• Foods where you find lipids


  • Sunflower oil
  • Peanuts
• Vitamin A used for


  Helps for healthy eyes
• Vitamin C prevent


  Helps prevent scurvy
• Vitamin D used for


  Helps absorb calcium
• Calcium used for


  Helps build strong bones and teeth
• Fibre helps


  Helps the digestive system and prevents constipation
• Foods where you find vitamin C


  • Oranges
  • Lemons
• Foods where you find vitamin D


  • Fish
  • Egg yolk
  • Exposure to UV light
• Test for starch: Add iodine, positive result is dark blue/black
• Test for lipids: Add ethanol, shake with water, positive result is cloudy white
• Test for protein: Use Biuret solution, positive result is lilac
• Test for glucose: Use Benedict's solution, heat in water bath, positive result is orange/red
• Independent variable


  The food/drink we tested
• Dependent variable


  The colour change
• Control variable


  Left in the water bath
• iron helps


  Helps make haemoglobin in red blood cells