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Physics

ACT Here are two recipes for pilaf rice dishes, one from Kazakhstan and one from Uzbekistan.
Imagine you need to cook both of them. When thinking about the preparation and the amounts,
what do you need to take into account? What may be the problems with these recipes?

KAZAKH LAMB PILAF UZBEK LAMB PILAF

¼ cup vegetable oil 4 cups long-grain rice
4 large carrots
1 large onion, cut into ½-inch chunks ¼ cup melted lamb fat or vegetable oilkz
textbooks nis edu
2.5–3 lbs boneless pot roast, cut into 4 large onions
2-inch chunks 2 lbs lamb meat
7 thick carrots, cut into matchsticks
(¼ inch wide; 2 inches long) 8 cups boiling water

1 tbsp salt 3 heaped tbsp coarse salt
¾ tbsp. ground black pepper 2 tsp black pepper

1 tsp ground cumin 3 tbsp ground coriander
3 bulbs garlic, peeled 3 tbsp ground cumin
(cloves left whole) ½ tbsp paprika
1 cup raisins ½ tsp turmeric or a pinch of saffron

1 handful fresh chives, chopped ½ tbsp tarragon
1 smaller handful fresh dill, chopped ¼ cup dried berries (optional)

3 cups uncooked white jasmine rice 1 large head of garlic, unpeeled

ACT Food waste is a huge Per capita food losses and waste (kg/year)
problem. A 2011 report on global 350 Consumer
food losses and waste contained 300 Production to retailing
the data shown on the graph. 250
200
What information about food loss
150
per year can you infer from this
100
graph? Estimate the total food
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waste/loss around the world per
0
year. What do you think happens Europe
to this food? What do you think are North America Industrialized Sub-Saharan West and Central Southeast Asia Latin America
the consequences of food loss and and Oceania Asia Africa North Africa, South and
waste for people in Kazakhstan? Asia

OVER TO YOU!

1. To make a Russian Salad a cook takes 320 g of sausage, 5000 mg of potato, 4 eggs weighing 53 g each,
110 g of green peas and 35 g of mayonnaise. Calculate the mass of the salad in SI units.

2. How can we find out the mass of a single pea if we only have scales with weights, and the smallest
weight is 1 g – much greater than the mass of a pea?
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