Aim-to observe diffusion in a liquid.
Method-
1-Half fill your petri dish with cold tap water.
2-place the petri dish on your work bench and allow the water to become settled.
3-using the tweezers,place a single crystal of potassium permangate in the centre of the petri dish.
4-observe for 5 mins
5-repeat the equipment using hot water.
Discussion-the hot water dissolved faster than and the cold water.the cold water spread ed slowly.the hot water dissolved more quicker cold water .the particles were the potassium which was the solid.
No comments:
Post a Comment
Please structure your comments as follows:
Positive - Something done well.
Thoughtful - A sentence to let us know you actually read/watched or listened to what they had to say.
Helpful - Give some ideas for next time or Ask a question you want to know more about.
Note: only a member of this blog may post a comment.