Tag Archives: Smoke
What is a puffball?
A puffball is a ball-shaped mushroom that gives off a puff of powdery spores when pinched. It is a kind of mushroom growing in a field that looks very much like a round ball. Anyone who has kicked a ripe puffball and watched the cloud of “smoke” puff out knows how the puffball gets its …
How does a smoke deterctor work?
Every modern business building nowadays is equipped with smoke detectors (also known as smoke alarms) that have the potential to save millions of lives at very little cost. The little contraption consists of two basic parts: a sensor (to detect smoke) and an electronic audible alarm (to rouse people up). We’ll look into how an …
Why does a fire smoke?
We’ve all see smoke rising from a bonfire or the chimneys of factories and houses. When a log in a fireplace burns, some of the burning wood is changed into invisible gases. These hot gases, which consist mostly of water vapor and carbon dioxide. Are very light. They rise up the chimney and drift away …
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