• Articles
  • Activities
  • Interactives
  • Videos
  • Teacher PLD
  • Primary
  • Secondary
ARTICLE

Waves as energy transfer

‘Wave’ is a common term for a number of different ways in which energy is transferred: In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound ...

READ MORE
STAR
ARTICLE

Measuring biodegradability

In nature, different materials biodegrade at different rates. If you throw your apple core into the bushes along with a steel toy car, your apple core will have disappeared in a few months and ...

READ MORE
STAR
ARTICLE

Non-renewable energy sources

Energy comes from many sources, and to describe these sources we use two terms: renewable and non-renewable. Non-renewable energy resources cannot be replaced – once they are used up, they will ...

READ MORE
STAR
ACTIVITY

Build a marine food web

In this activity, students build their own food web using images of organisms from the marine ecosystem. This activity can be done indoors on paper or outdoors on a tarmac surface using chalk. By ...

READ MORE
STAR
ARTICLE

Renewable energy sources

Renewable energy is fuel that comes from a source that can be replenished in a short amount of time. This includes solar, wind, water, geothermal power and bioenergy. While renewable energy ...

READ MORE
STAR
TEACHER PLD

Linking ideas, activities and lessons

In the primary classroom, even though teachers and students generally spend the day together, it cannot be assumed that students will experience their learning as coherent, connected or ...

READ MORE
STAR
ARTICLE

Energy sources through time – timeline

Use this timeline to explore how humans have relied on fossil fuels in the past and how we are looking for, and using, new energy sources. 200,000 BC - Fire used Records of the first controlled ...

READ MORE
STAR
ARTICLE

Bioplastics

Bioplastics are plastic materials that are either biodegradable or derived from renewable resources or both. Currently, petrochemical-based plastics make up 99% of the plastics market. However ...

READ MORE
STAR
ARTICLE

Habitats, food webs and adaptations

Riley and Steve Hathaway want to change the way young people think and act towards the ocean. Their vision is to “Inspire kids to enjoy and care for the world’s oceans”. Science ideas and ...

READ MORE
STAR
TEACHER PLD

Seaweek resources

Seaweek is New Zealand’s annual national week about the sea. It is hosted by the New Zealand Association for Environmental Education and includes a wide range of events, activities, competitions ...

READ MORE
STAR
ARTICLE

Using solar energy

Solar energy is transformed into other energy forms for our use on Earth – energy for food (chemical energy), electrical energy and heat energy. Food Solar energy (sunlight) is crucial for our ...

READ MORE
STAR
ARTICLE

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 important to our economy. Agriculture has shaped who we are as a nation, but it has also had a big ...

READ MORE
STAR
ARTICLE

Biodegradability

We see the term ‘biodegradable’ on some products that we buy, such as washing powders and shampoo, but what does it actually mean? The ‘degradable’ part of the word simply means that the product ...

READ MORE
STAR
ARTICLE

Hydro power

Hydro power uses water to generate electricity. Most hydro electricity is generated from fresh water, but there is also marine-generated electricity that uses the movement of waves. Rivers flow ...

READ MORE
STAR
ARTICLE

Predation of native birds

New Zealand native birds have been greatly affected by predation. After existing in isolation from natural predators for millions of years, many native birds developed traits that exposed them to ...

READ MORE
STAR
ARTICLE

Solar cars

Solar cars are powered by electricity through the use of solar energy. Solar panels are attached to the surface (generally, the top) of the vehicle. Photovoltaic (PV) cells convert the Sun's ...

READ MORE
STAR