A selection of the sciZmic activities, projects and challenges we have used at sciZmic events or for a sciZmic summer.  explore a scientific concept in one or two club sessions --- Choose an activity --- CO2 BoatsMaking feltMarbled paperIndicator solutionSizzling Sherbert Playground Pollutants Snow crystals Quadrat survey Make an electromagnet Make a sand clockGrow CrystalsFizzy rocketCrazy CustardCartesian DiverSuper SlimeSparkly BreakfastsGravity on the planetsMaking playdough  are designed to be more open ended --- Choose a project --- Pick 'n' mix Cratering comparison Insects Weather ideas Light Pollution Part 1 Light Pollution Part 2  involve some teamwork and/or are suitable for using in a more competitive way --- Choose a challenge --- Water from rock Mars lander Balloon building Galileo debate  come from the sciZmic space pack --- Choose a space idea --- Galileo debate Gravity on the planets Mercury cratering Mercury heating Light Pollution Part 1 Light Pollution Part 2 Mars lander Martian water Martian volcanoes These resources are designed for 10-14 year olds, although their suitability depends very much on the ability range and interests of your science club.