eseu earth science education unit eseu home eseu press centre cpd workshops cpd taster activities cpd videos geology teaching cpd eseu testimonials resources schools equipment supplies term use eseu tel email earth science education unit provide fee earth science geology cpd teacher teacher trainee england scotland wales workshop school teacher meeting teacher education institution organisation click late quote eseu workshop activity action showing sample wide range activity teacher engaged testing demonstrate activity develop knowledge understand national curriculum focus sample activity activity take shelf motivate enthuse student whilst develop investigational thinking skill