Question

Describe an activity to show that solutions of salt in water can conduct electricity

Answer 1

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Answer 2

Does water really conduct electricity?

Let’s find out by doing a simple controlled experiment.

Materials

small LED diode

2 small button batteries

copper wires or electrical wires with alligator clips

scotch tape

tap water

distilled water (you can use bottled ones or make your own distilled water)

Tools

small container

adult supervision

Instructions

Fill the small container with tap water.

Using the electrical wires, connect the LED light and batteries to build an open simple circuit (a circuit with an open end).

Dip the two open ends into the water.

Now, repeat the experiment using the exact same setup, but this time, instead of using tap water, use distilled water.

Using tap water, you should be able to complete the circuit and the LED bulb lights up. Using distilled water, however, does not complete the circuit and the LED bulb should not light up.However, if yours does, that means the “distilled water” used is not pureenough.Try a different brand of bottle distilled water or make your own.