Investigating water density

Cold water is denser than warm water, so it tends to sink. Seawater is denser than freshwater. Salinity, temperature and depth all affect the density of...

The human eye contains structures that allow it to perceive light, movement and colour differences.

Both science and mātauranga pūtaiao build knowledge and understanding about our world. Often, we start with curiosity about something we’ve noticed and we want to find...

Seaweek is New Zealand’s annual national week about the sea. It is coordinated by the Sir Peter Blake Marine Education and Recreation Centre (MERC) and includes...