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/-/https/www.sciencebuddies.org/cdn/Files/21464/5/sb-logo.png){kind=logo}
Image Credit
/-/https/www.sciencebuddies.org/cdn/Files/3838/5/Chem_img063.jpg)
Description:
This photo shows on top a rectangular steel wool pad, in the middle a pair of scissors, and across the bottom, a ruler, with a strip of steel wool aligned with the 0 and 1 mark.
Source:
Kristin Strong, Science Buddies
License:
Science Buddies
/-/https/img.youtube.com/vi/tVrlD2KIvk4/0.jpg)
/-/https/img.youtube.com/vi/Mfk3Qk3-LWU/0.jpg)
/-/https/img.youtube.com/vi/VfWoOQsueBE/0.jpg)