Archive for November, 2012
Plastic particles float like plankton, making up a huge proportion of the diet of filter feeders – from baleen whales to small fish. The possible impact on marine life is huge. What floats and what sinks matters – this engaging issue is used to add context to a unit on density and buoyancy.
Battling the young to think about where information comes from, giving credit and figuring out if it’s credible. They hate it, I hated it, the tedium of looking up references blah, blah, and yet, in the end, a life and death of democracy skill.