Year 7 Food & Balanced Diet Learning Objectives

Question 1

Year 7 Food & Balanced Diet
Learning Objectives

1

Answer 1

recall the three food groups as carbohydrates (starches and sugars) for energy needs, proteins for growth and repair, fats for energy storage and insulation.

Question 2

Year 7 Food & Balanced Diet
Learning Objectives

2

Answer 2

know the food tests for starch (iodine), glucose (Benedicts + heat), protein (Biurets + sodium hydroxide).

Question 3

Year 7 Food & Balanced Diet
Learning Objectives

3

Answer 3

understand that minerals and vitamins are essential in the diet notably calcium for teeth and bones, iron for red blood cells (haemoglobin), vitamin C for blood and skin to prevent scurvy and D for bones to prevent rickets.

Question 4

Year 7 Food & Balanced Diet
Learning Objectives

4

Answer 4

know that fibre is largely cellulose (remember cell walls) and helps food move through the gut.

Question 5

Year 7 Food & Balanced Diet
Learning Objectives

5

Answer 5

know that water is essential as a solvent, reactant, coolant, supporter, and transport medium.

Question 6

Year 7 Food & Balanced Diet
Learning Objectives

6

Answer 6

recognise that people need different balances at different stages of their lives e.g. children need relatively more protein than adults and pregnant women need enough iron to make more blood cells for themselves and for the foetus.

Question 7

Year 7 Food & Balanced Diet
Learning Objectives

7

Answer 7

know that foods are neither good nor bad, but the balance of intake is important.

Question 8

Year 7 Food & Balanced Diet
Learning Objectives

8

Answer 8

know that obesity is associated with heart disease and diabetes.

Question 9

Year 7 Food & Balanced Diet
Learning Objectives

9

Answer 9

know that starvation can affect brain growth and immunity know that too much sugar can increase plaque on teeth and cause tooth and gum diseases.