Vitamins, energy use and Laboratory work 5
Answers are for parents and teachers.
1
Tabulate sources and benefits of vitamins A, C and D.
A – carrot, liver: vision; C – rose hip, citrus: immunity; D – fish, egg, sun: bones.
2
Write 3 rules for keeping vitamins in food.
Do not boil vegetables long; use soon after peeling; eat fruit raw and store food in a cool, dark place.
3
Write what energy is used for and its units.
Movement, temperature, heart–breathing, growth; kcal or kJ.
4
Calculate protein in 200 g of 4 foods from your lab table.
Formula: (protein per 100 g) × 2. For example 12 g per 100 g gives 24 g in 200 g.
5
Whom would you turn to with worries about body shape and food?
A parent, school doctor or doctor; no strict self-imposed diets.