Measuring biodegradability

https://www.sciencelearn.org.nz/resources/1543-measuring-biodegradability
In nature, different materials biodegrade at different rates. If you throw your apple core into ...

Cleaning up the oil spill

https://www.sciencelearn.org.nz/resources/1140-cleaning-up-the-oil-spill
On 5 October 2011, the cargo vessel Rena ran aground on the Astrolabe Reef. The ship was ...

Poisonous animals in New Zealand

https://www.sciencelearn.org.nz/resources/370-poisonous-animals-in-new-zealand
New Zealand has a very small number of poisonous animals. These animals are also called ...

Poisons and toxins

https://www.sciencelearn.org.nz/resources/364-poisons-and-toxins
Poisons are substances that cause harm to organisms when sufficient quantities are absorbed ...

Toxins and food webs

https://www.sciencelearn.org.nz/resources/367-toxins-and-food-webs
All living things depend on one another to live. Animals eat plants and/or animals to survive ...

Ocean temperature

https://www.sciencelearn.org.nz/resources/707-ocean-temperature
The temperature of the ocean determines what form the water takes. Most of the ocean is liquid ...

Bioindicators

https://www.sciencelearn.org.nz/resources/1538-bioindicators
A bioindicator is a living organism that gives us an idea of the health of an ecosystem. Some ...

Measuring toxicity

https://www.sciencelearn.org.nz/resources/366-measuring-toxicity
Toxicity can be measured by the effect the substance has on an organism, a tissue or a cell. We ...

Tracking toxins

https://www.sciencelearn.org.nz/resources/382-tracking-toxins
In this activity, students model bioaccumulation of toxins in marine animals. They participate ...

Poisonous plants in New Zealand

https://www.sciencelearn.org.nz/resources/369-poisonous-plants-in-new-zealand
There are over 100 poisonous plants in New Zealand. As children grow up, they often come into ...

Biodegradability experiment

https://www.sciencelearn.org.nz/resources/1549-biodegradability-experiment
In this activity, students set up an experiment to determine the biodegradability of different ...

New Zealand’s National Science Challenges

https://www.sciencelearn.org.nz/resources/1112-new-zealand-s-national-science-challenges
As New Zealanders looking to the future, we are faced with many opportunities – and challenges ...

Estuary formation

https://www.sciencelearn.org.nz/resources/1229-estuary-formation
Estuaries have a life cycle. They form, they age as they infill with sediment and they ...

Fertiliser

https://www.sciencelearn.org.nz/resources/964-fertiliser
Just as we have essential needs for our growth, plants also have essential needs for their ...

All in the dose

https://www.sciencelearn.org.nz/resources/365-all-in-the-dose
Poisons are substances that can be lethal. They are chemicals, either manufactured or naturally ...

Farming development and changing landscapes

https://www.sciencelearn.org.nz/resources/963-farming-development-and-changing-landscapes
Farming is a way of life in New Zealand. Farms cover about half of the country’s land and are ...

Human impact on estuaries

https://www.sciencelearn.org.nz/resources/1231-human-impact-on-estuaries
People like to live near estuaries. In pre-European times, estuaries were favourite places for ...

Biodegradability

https://www.sciencelearn.org.nz/resources/1537-biodegradability
We see the term ‘biodegradable’ on some products that we buy, such as washing powders and ...

Investigating air pollution

https://www.sciencelearn.org.nz/resources/1558-investigating-air-pollution
In this activity, students investigate exhaust emissions, car use and air quality. By the end ...

Farm management practices

https://www.sciencelearn.org.nz/resources/969-farm-management-practices
Farming is an economic venture – farmers work the land to gain an income. Many New Zealand ...

Water quality

https://www.sciencelearn.org.nz/resources/1541-water-quality
The factors that affect water quality include where the water comes from, what is in the ...

The ocean in action – introduction

https://www.sciencelearn.org.nz/resources/679-the-ocean-in-action-introduction
The ocean is part of our lives – we may swim in it, sail on it or eat food from it. Many ...

Rena wrecked on reef: oil clean-up on-going

https://www.sciencelearn.org.nz/resources/1431-rena-wrecked-on-reef-oil-clean-up-on-going
On 5 October 2011, Maritime New Zealand was called to respond to an ‘incident’ in the early ...

Farming and environmental pollution

https://www.sciencelearn.org.nz/resources/920-farming-and-environmental-pollution
New Zealand has had a reputation for being ‘clean and green’ – a country of environmental ...
Load more