LB: Experiment Procedures

LB: Experiment Procedures

1. Apparatus/Materials
2. Recipe
3. Steps

List of Apparatus/Materials*

1. 250 ml measuring cylinder, markings from 22ml-250ml per 2 ml
2. 100 ml measuring cylinder, markings from 10-100 ml per ml
3. 1 kg spring balance, markings per 20 g
4. 15 cm plastic ruler, markings per cm
5. 30 cm metal ruler, markings per cm
6. Mercury laboratory thermometer, markings from -10-110°C per 1°C 
7. 1 piece of A4 black paper
8. Metal water displacement can
9. 5 kg weighing scale, markings per 40g
10. Utensils (metal pot, strainer, plate and knife; wooden chopsticks)
11. Tap water at 27 °C 
12. Assorted Star Brand food colouring**
13. United Foodstuff glutinous rice flour**
14. Flying Man Brand cornflour**
15. Glad cling wrap**
16. Pen and paper
17. Calculator
18. Camera
19. Sumyeeta SD20B3 induction cooker
20. Stopwatch
21. HM-HDPE brand plastic bags
22. Yihua SF-400 series kitchen scale
23. Standard pack of poker cards 

*markings starting from 0 unless otherwise specified

**purchased from NTUC Fairprice 

Recipe

The ratio of water to glutinous rice flour by weight in the GRBs is 1:1. A dusting of corn flour was used to prevent them from sticking to the plate and food colouring was added to differentiate individual balls.