Top-Vorschläge für Activity 2 Rub a plastic ruler to investigate the eects of charged objects You will need: a plastic ruler or glass rod • woollen cloth • small pieces of tissue paper Method 1. Sprinkle the pieces of tissue paper on the table. 2. Rub the plastic ruler or glass rod with the woollen cloth. 3. Bring the ruler close to the pieces of tissue paper and observe what happens. 4. Write down your observations. 5. Explain why the pieces of paper get attracted to the ruler or glass rod. 6. Draw a labelled diagram of the ruler and cloth to show how the electric charges separate. |
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