'Why is the Dead Sea dead? - measuring salinity'.
This ELI is a classroom activity to measure the density of water of different salinities. Students can describe how dissolving salt in water increases the density of the water.
Related topics can be found in our Environment category.
'How will rising sea level affect our coastlines? ... and what can be done to adapt to rising sea levels?'
This ELI involves a discussion of how climate change projections might affect sea level and what the impacts of sea level rise are likely to be, particularly for coastal cities, inhabited deltas and atoll communities. Possible adaptation methods are also considered.
Many activities related to climate change and how we might adapt can be found in our Climate change category