Question

Through a activity to show that air is bad conductor of heat.​

Answer 1

Explanation:

Take a hard glass test-tube and place in it small amount of wax. ... Heat the test-tube near the mouth. In few miniutes, the cork blows out, but wax does not melt. Thus, experiment proves that air is a bad conductor of heat.

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Answer 2

Answer:

Take a hard glass test-tube and place in it small amount of wax. ... Heat the test-tube near the mouth. In few miniutes, the cork blows out, but wax does not melt. Thus, experiment proves that air is a bad conductor of heat.