Nutrients,Food Tests , Teeth
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Why do people eat food
We like and enjoy the food we eat . To get nutrients into our body
What does the body do with nutrients found in the body
Provide energy. Provide materials for chemicals that make new cells
Name the different types of food we find in output diets
Minerals Water Fiber Fat Protein Carbohydrates Vitamins
What is the function of protein
To supply nutrients . To used for making new cells . Used to make enzymes and antibodies . Used as a source of energy
Function of carbohydrates
Main source of energy
Function of fat
Reserve source of energy . Helps with thermal insulation
Vitamin C
Good source Citrus foods Function in the body To make skin stronger Deficiency disease Scurvy - skin becomes weak so sores develop
Vitamin D
Good source Diary products -Function in body To make bones and teeth stronger -Deficiency disease Rickets - bones are weak , so legs bend
Iron
Good source Dark green veggies Red meat Function in body Needed to make hemoglobin, which carries oxygen Deficiency Amanda - blood cannot carry oxygen person feels tired
Calcium
Good source Diary products,fish Function in body Make bones and teeth stronger Diefincy disease Bones and teeth become weak
How does the amount of vitamins and minerals we need in our diets compare to the amount of proteins and carbohydrates we need in our diets.
We need carbohydrates and protein in larger amounts. Vitamins and minerals in smaller amounts
What is the function of fibre in the body?
Help food move more easily through the digestive system . Helps prevent colon cancer
Function of water
60-70% of our body is water. Water helps cool our body down. Water transports waste and nutrients
What is the difference between food and nutrients.
Food - if things we eat and drink that contain nutrients Nutrients - useful substances we get from food . Supplying our body with nutrients and allowing it to function.
List of foods that provide us with energy
Carbohydrates Protein Fat
What happens when a person suffers from a lack of iron in there diet?
Iron is used to make hemoglobin so the person makes less hemoglobin Hemoglobin s used to carry oxygen so person carries less oxygen oxygen is used in the respiration to release energy person releases is energy,, Amenia is a condition where a person suffers from lack of energy
Name the regent used to test for starch
Iodine
What color will be observed when starch is present versuswhen , not present
When present, it will be blue/black When absent, it will be red/brown
Name the regent used to test for sugar
Benedict solution 
Keep the color change when sugar is present vs absent
When present, it will be orange when absent, it will be blue
Doing a sugar, test tube is placed in boiling water. Explain why.
Heat is a catalyst that speeds up the rate of a chemical reaction
What is the deposit at the bottom of the test tube called after a reducing sugar test?
Precipitation
What is a pestle and mortar used for
Used two crushed up solid into smaller pieces that can be crushed up into smaller pieces to go through the funnel increasing surface area
What is a diet?
Include the food we eat every day