What Makes a Fire Smoke?
What Makes a Fire Smoke? The smoke that rises from a chimney or a bonfire is made chiefly of gases that are produced when the fuel burns. Most of the gases in wood...
Read MoreWhat Makes a Fire Smoke? The smoke that rises from a chimney or a bonfire is made chiefly of gases that are produced when the fuel burns. Most of the gases in wood...
Read MoreHow Does Yeast Make Dough Rise? Yeast causes bread dough to rise by forming bubbles of gas in the dough. Yeast is a plant. The whole plant is made up of one cell which...
Read MoreHow Does a Fire Extinguisher Work? Most fire extinguishers smother a fire by shutting off the supply of air with certain chemicals. The carbon dioxide extinguisher...
Read MoreWhat Makes Plant Leaves Green? The green we see in leaves comes from a green substance called “chlorophyll,” which the plant uses in making food. Chlorophyll is found...
Read MoreHow Do Plants Give off Oxygen? Plants give off oxygen during the process of photosynthesis. Using green chlorophyll (which gives them their color), the leaves of plants...
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