Question

Aim: To study the conditions (air) required for burning.
Material required: candle, glass chimney, wooden blocks, glass plate, match box. Procedure:
1) Fix a lighted candle on a table. Put a glass chimney over the candle and keep it on a few wooden blocks in such a way that air can enter the chimney.
2) Now remove the blocks and let the glass chimney rest on the table.
3) Finally put a glass plate over the glass chimney.
What happens to the flame when:
1) Glass chimney is kept on wooden blocks.
2) Wooden blocks are removed and glass chimney rests on the table.
3) Glass plate is kept on the chimney.
Write your observations and conclusions with reasons.

Answer 1

Answer:

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