Coat: be honest, coats are built to last. So are a lot of undies, but unless you're a beast outdoors (and spend a lot of time in thorny thickets), your coat will definitely last many more years than smalls are supposed to.
This webpage explains in a very visual way the molecular shape and angles in relation to chemical bond.
Ionic and Molecular Compounds Infographic misses out giant covalent yet lists SiO2 as covalent example.
RED CAT, AN OX: Reduction at Cathode, Anode is Oxidation ||| 3 Mnemonic Devices for Redox Reactions (Reduction & Oxidation)
A Rough Guide to Spotting Bad Science 2015
Human Body Ingredients via imaginaryfoundation: 'The average human has…
Meiosis | Learn Science at Scitable
teacher tools techify apps
Let's prepare teens for the REAL test. Resources to help middle school and high school teachers at www.laurarandazzo.com.
Periodic Table Battleship