FORT WAYNE, Ind. (Indiana's NewsCenter) - Martin Fisher from Science Central speaks about Science Central's "Swap Shop" where you can trade things that you've found for points, which you can then use to get other science items.
In this weeks show Martin shows us some different volcanic rock.
What are your thoughts CLICK HERE to leave us a "Your2Cents” comment.
© Copyright 2013 A Granite Broadcasting Station. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.