Learning Competency: Ways of separating mixtures
ACTIVITY
I. Title: How does sedimentation...
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World Languages, 21.10.2021 01:00 Dkhaurithompson
Learning Competency: Ways of separating mixtures
ACTIVITY
I. Title: How does sedimentation occur in mixing sand in a glass of water?
II. Materials: sand, glass of water, glasses/ bottle
III. Procedure:
1. Prepare the materials needed.
2. Put the sand into the glass of water then stir it.
3. When you have stirred it for about 10 seconds leave the glass and don’t touch it for about 15 minutes.
4. Observe what happen.
5. Pour the liquid carefully in another glass without disturbing the sediments.
DECANTATION OF LIQUIDS
We can use decantation to separate two liquids with different density, such as oil and water.
IV. Guide Questions:
1. Identify the color of the glass of water while you stir it.
2. What happen to the mixture after leaving it in 15 minutes?
3. Can you separate the water from a sand?
4. How can you separate the mixture?
5. What process is used to separate the mixture?
scince po yan
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