Teaching science

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1d
Substance and acid present
𝐂𝐨𝐫𝐚𝐥 𝐟𝐨́𝐬𝐢𝐥,
𝑰𝒏𝒅𝒐𝒏𝒆𝒔𝒊𝒂.
The Fascinating World of Petrified Wood: Nature’s Stone Trees
The Fascinating World of Petrified Wood: Nature’s Stone Trees
Did you know that the white and orange strips on windsocks are not for decoration, they actually indicate relative wind speeds
Windsocks are conical textile tubes that are often installed at airports and at chemical plants where there is risk of gaseous leakage. They are sometimes also located alongside highways at windy locations. Wind socks indicate wind direction. However, many windsocks also provide an indication of relative wind speed, as shown below. The most popular design …