First time in several years I’ve taught the rock cycle. Time for a game or two of ‘Roll N Rock’ with Y8. Any misconceptions about there being just one route round the rock cycle busted!

edu.rsc.org/infographics...

This pen is a game changer. I’ve had the same board pen for 8 wks and refilled 4 times, each time as good as new. So nice not to be throwing away plastic every few weeks ;-)