Eleventh and twelfth grade students in five earth science classes made charts of mineral facts, mnemonic cartoon drawings, and corresponding poetry couplets for minerals on the Mohs scale of hardness. Students' products revealed they enjoyed the activity and learned many mineral concepts. The activity...
The rhyming peg mnemonic device, appropriate for learning an ordered set, is used to teach Mohs hardness scale. Students begin by learning the “pegs” – a set of words, each rhyming with a number from one to ten, to which each mineral will be linked. Students then study, interpret, ...