River run-off on the West Coast

Remote sensing is the use of sensors to extend our human senses in observing and recording objects or events that are far away (remote) from us....

Urban rivers are generally the most polluted waterways in New Zealand. These river catchments include built-up areas with lots of people and industries. The water flows...

Estuaries have a life cycle. They form, they age as they infill with sediment and they transform to other environments, such as freshwater marshes. They are...

In this activity, students construct models that resemble rain falling on a hillside to observe factors affecting soil erosion and ground stability.