Oct 05 2009 As we continue our Sealife topic we have been
exploring the conservation of sea turtles and subsequently
climate change. We learned how rising sea levels have a direct
impact on sea turtle nesting sites. I just wanted to outline
some of the great resources we used in our classes this
afternoon. The main part of the afternoon was working on an
science experiment that replicated the effect of acidic oceans
on the coral reefs. This has been ideal for the work we have
been doing recently. Whilst I was exploring the resources on the
Under the Sea IMAX film I found some nicely produced resources
for classrooms. Amongst it is the experiment we did. We placed
shells and chalk in cups filled with varying levels of water and
vinegar – each representing “Clean”, “Polluted” and “Very
Polluted” seawater. We used some digital scales to weigh the
shells and chalk before putting them in. The children enjoyed
seeing the immediate reaction in the more “polluted” test and
jotted down some observations. We were going