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- add iron powder to water
- add copper sulfate (Ⅱ) to water
- dissolve iron powder and copper sulfate in water
- take out the manure paper and put it in the funnel
- place the funnel in the stand and place the empty beaker underneath
- add the water mixed with copper sulfate (Ⅱ) and iron powder to the funnel. Observe the material left on the manure paper
- place a stick with a thread attached to it in the beaker with the copper(Ⅱ) sulfate aqueous solution. allow the thread to be submerged in the water and observe what happens to it.
- Observe the changes that occur to the thread
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