Search results

Refine by resource type

Refine by learning area

Refine by topic

Main topic Specific topic Related topic
Listed under:  Science  >  Matter  >  Chemical compounds  >  Inorganic compounds  >  Inorganic hydrides  >  Water  >  Salinity
Video

Why salinity and temperature are measured

This is a colour video clip in which Dr Phil Sutton, a physical oceanographer from New Zealand’s National Institute of Water and Atmospheric Research, details the reasons for collecting data on the temperature and salinity of the oceans. It includes sequences showing Dr Sutton at work.

Interactive

Fair test

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces, peas and tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and ...