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H0 on the go – unit plan

About 70% of Earth’s surface is covered by water. It is found just about everywhere and is the only naturally occurring substance on Earth existing in solid, liquid and gas states. Water is ...

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TEACHER PLD

Seaweek resources

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 a wide range of events ...

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TEACHER PLD

Estuaries – a context for learning

With 75% of New Zealanders living within 10 km of the coast, many students will be familiar with estuaries. In scientific terms, estuaries are the interface between the land and the sea – the ...

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Explore related activities

ACTIVITY

Looking at water – solid, liquid or gas

In this activity, students use water to explore its properties as a solid, liquid or gas. By the end of this activity, students should be able to: identify one or more characteristics of water in ...

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ACTIVITY

Solid to liquid to gas

In this activity, students examine the role of heat as water changes from a solid to a liquid to a gas and back again. By the end of this activity, students should be able to: identify a logical ...

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ACTIVITY

Investigating bubbles

In this activity, students learn about the surface tension of water by experimenting with bubbles. By the end of this activity, students should be able to: demonstrate the effect of soap on ...

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Explore related videos

VIDEO

Phosphorus

Dr Ross Monaghan from AgResearch at Invermay in Otago explains the importance of phosphorus and then talks us through phosphorus cycle. Jargon alert Ross mentions that phosphorous is adsorbed to ...

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VIDEO

Fertilisers

Dr Ross Monaghan from AgResearch at Invermay in Otago talks about fertilisers – what they are and why they are used on farms. Point of interest: Ross talks about using a nutrient budget for ...

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VIDEO

Zapping bugs

Sanjay Kumarasingham (Watercare Services Ltd) talks about how microorganisms and viruses are zapped by UV radiation with a wavelength of 254 nm.

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Explore related interactives

INTERACTIVE

The terrestrial nitrogen cycle

An interactive showing the main components of the terrestrial nitrogen cycle. Select one of the buttons to find out more. Go here to view the full transcript and copyright information.

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INTERACTIVE

Sea star adaptations – dorsal view

Sea stars have many weird and wonderful adaptations including both sexual and asexual reproduction. Click on any of the labels in this interactive to view short video clips or images to learn ...

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INTERACTIVE

Sea star adaptations – ventral view

Sea stars have many weird and wonderful adaptations – including some unusual internal systems. Click on any of the labels in this interactive to view short video clips or images to learn more ...

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