วันพฤหัสบดีที่ 21 กันยายน พ.ศ. 2560


                               Crystallization of milk
         Question     
1)  Why do we add salt to the ice?
- the salt makes ice get the lower freezing point.
2)  Why do we add the cookies and other things, only after the milk has frozen slightly?
-If we add the cookies and other toppings, it would likely to slow down the freezing of the ice.
3)  What are two factors that affect the freezing you think?
-if we shaking the ice the milk will be freezing faster
-Salt and sugar can affect the factor of freezing
4)  Why do you need a bit of air in the bag?
-Because space makes the milk freezing easier.

วันเสาร์ที่ 15 กรกฎาคม พ.ศ. 2560

lab



lab in blogger nine pictures_Boy_202



Sample number
Weight (grams)
Volume (ml)
Density (g/ml)
2.
213.1
78
2.732
5.
46
15
3.06
3 big.
46
55
0.8363
7.
244
98
2.490
1.
125
54
2.3148
14.
98
16
6.125
6.
111.1
94.5
1.176
12.
146.5
57
2.572
3 small.
26.5
50
0.53