Collect a new learning booklet from the front of the classroom. What do I run on? Developing: Recall the nutrients needed for a healthy diet. Secure: Interpret nutrient information labels. Exceeding: Test different foods for nutrients. Entrance Activity Collect a new learning booklet from the front of the classroom. Tool Box – Key Words Diet\Raw material Nutrients Biochemical test Iodine Benedict’s Biuret regent

Nutrients What does the word “diet” mean? Student Reading Activity Nutrients Write the following questions in your books and try to find the answers, in the text, on the next page. What does the word “diet” mean? What are the 7 raw materials our bodies need to function? Why do our bodies need fibre?

Student Reading Activity In science, the word diet means what you eat. Your diet provides raw materials for your body, which are needed for energy (to move, keep warm, make new materials), growth and repair, and health. Food substances that provide raw materials are called nutrients. These include carbohydrates, fats, proteins, vitamins and minerals. Two main carbohydrates in food are starch and sugars. Water is also classed as a nutrient as it is a key component of your body. We also need to eat Fibre. This is made from the plant cell wall (cellulose) and is not used by the body, but it keeps food moving through the intestines and stopping them from getting blocked (constipation)

Nutrients What does the word “diet” mean? Student Reading Activity Nutrients What does the word “diet” mean? The word “diet” describes what someone consumes (eats) What are the 7 raw materials our bodies need to function? Carbohydrates, Protein, Fats, Vitamins, Minerals, Water, Fibre Why do our bodies need fibre? Our bodies require fibre to help move food through out intestines and prevent blockages. (Constipation)

Collect a new learning booklet from the front of the classroom. What do I run on? Developing: Recall the nutrients needed for a healthy diet. Secure: Interpret nutrient information labels. Exceeding: Test different foods for nutrients. Entrance Activity Collect a new learning booklet from the front of the classroom. Tool Box – Key Words Diet\Raw material Nutrients Biochemical test Iodine Benedict’s Biuret regent

Food labels Teacher Explanation What are food labels?

Complete the “Nutrients” learning sheet. Learning Activity Food labels Complete the “Nutrients” learning sheet. Stretching Question Why do you think that all food labels tell you the amount of nutrients for 100grams of food?

Collect a new learning booklet from the front of the classroom. What do I run on? Developing: Recall the nutrients needed for a healthy diet. Secure: Interpret nutrient information labels. Exceeding: Test different foods for nutrients. Entrance Activity Collect a new learning booklet from the front of the classroom. Tool Box – Key Words Diet\Raw material Nutrients Biochemical test Iodine Benedict’s Biuret regent

Practical sheets are in booklets Learning Activity Food Tests Carry out each of the following food tests on your different food samples. -Iodine test -Biuret regent -Benedicts solution Make sure all of your results are recorded on the results table in your booklets. Practical sheets are in booklets

Positive Biuret Reagent Test Positive Benedict’s Reagent Test Plenary Activity Solution tests Biuret Reagent (Used to test for Protein) Positive Biuret Reagent Test Start Colour: Final Colour: Clear Blue Purple Iodine Solution (Used to test for Starch) Positive Iodine Test Start Colour: Final Colour: Straw Yellow Blue/Black Benedict’s reagent (Used to test for Glucose) Positive Benedict’s Reagent Test Start Colour: Final Colour: Clear Blue Orange

Collect a new learning booklet from the front of the classroom. What do I run on? Developing: Recall the nutrients needed for a healthy diet. Secure: Interpret nutrient information labels. Exceeding: Test different foods for nutrients. Entrance Activity Collect a new learning booklet from the front of the classroom. Tool Box – Key Words Diet\Raw material Nutrients Biochemical test Iodine Benedict’s Biuret regent