science project supplied as a kit consisting of instructions and a block of wood or equivalent which when left in place on dampened ground such as a yard or lawn for some time period serves to attract worms, bugs etc. underneath same to indicate to the user the environmental health of the ground being tested; the presence of excessive pestcides or fertilizers at the test location, as well as very poor soil conditions, would be indicated by the presence of few if any lifeforms; yards environmentally alive

'aliv':87 'attract':37 'block':12 'bug':39 'condit':73 'consist':7 'dampen':23 'environment':49,86 'equival':16 'etc':40 'excess':59 'fertil':62 'ground':24,53 'health':50 'indic':44,76 'instruct':9 'kit':6 'lawn':30 'left':19 'lifeform':84 'locat':66 'period':34 'pestcid':60 'place':21 'poor':71 'presenc':57,79 'project':2 'scienc':1 'serv':35 'soil':72 'suppli':3 'test':55,65 'time':33 'underneath':41 'user':47 'well':68 'wood':14 'worm':38 'would':74 'yard':28,85

PROJECT YEA

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