Testing water for nitrate

In this activity, students test nitrate levels in various samples of water and draw possible informed conclusions about the results. ...

In this activity, students test nitrate levels in various samples of water and draw possible informed conclusions about the results. ...

In this activity, students explore chemical processes that occur within the nitrogen cycle. In a simple experiment, students use a ...

Dr Ross Monaghan from AgResearch at Invermay is concerned about nutrients from the soil affecting waterways and causing water pollution. ...