珠海长隆马戏酒店官网:Science questions`--!!!--dont translate~ANSWER.PLZ~!
来源：百度文库 编辑：杭州交通信息网 时间：2023/12/06 15:05:18
3. Using what you know about particles, predict two ways you could shorten the time it takes to dissolving sugar in a drink. Explain your predictions.
This simple experiment gives students a basic understanding about solutions.
Transparent plastic cup - 1
Fill the cup with water.
Add two spoons of Salt in the water and stir thoroughly.
Observer that salt dissolves in water and seems to disappear. What you have in the cup is Salt Water Solution.
Put small amount of Salt Water Solution in a dish and let the water evaporate.
Observe that the Salt is left behind.
3 a) increase the temperature
b) stir the solution