WHERE Challenge (@wherechallenge) 's Twitter Profile
WHERE Challenge

@wherechallenge

The WHERE Challenge asks students aged 9-14 to discover What on Earth is in their stuff and WHERE on Earth it comes from? #geology #science #whatsinyourstuff

ID: 1154468364

linkhttp://www.earthsciencescanada.com/where/ calendar_today06-02-2013 16:36:27

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