Curious Kids: why does wood crackle in a fire?
- Written by Rachael Helene Nolan, Postdoctoral research fellow, Western Sydney University
If you've ever put wet wood on to a fire, you may have noticed it makes a lot more noise than dry wood.
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Why does wood crackle in a fire? – Rocco, age 6 (nearly 7!)
Hi Rocco, that’s a great question. I love sitting in front of a fire, listening to it crackle and pop.
These noises are caused by pockets of trapped steam...