Form One - Science (超急, 趕住測驗)

[匿名]

2009-10-31 5:18 am

Investigation : -

Problem to solve - Is table salt more soluble in water than sugar?

(a) Temperature of the water?
1. Independent variables 2. Dependent variables 3. Controlled variables

(b) Volume of the water?
1. Independent variables 2. Dependent variables 3. Controlled variables

(c) Amount of each substance?
1. Independent variables 2. Dependent variables 3. Controlled variables

(d) Types of substances?
1. Independent variables 2. Dependent variables 3. Controlled variables

(e) Time required for dissolving?
1. Independent variables 2. Dependent variables 3. Controlled variables

(f) Number of stirring?
1. Independent variables 2. Dependent variables 3. Controlled variables

請幫幫我. 謝謝

回答 (1)

Hin Chung, Jonathan

2009-10-31 5:23 am

✔ 最佳答案

Investigation : -

Problem to solve - Is table salt more soluble in water than sugar?

(a) Temperature of the water?
3. Controlled variables

(b) Volume of the water?
3. Controlled variables

(c) Amount of each substance?
Controlled variables

(d) Types of substances?
1. Independent variables

(e) Time required for dissolving?
2. Dependent variables

(f) Number of stirring?
3. Controlled variables

參考: me

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