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TEACHER PLD

Planet Earth and Beyond – Weather

Weather is ever present, ever changing and always interesting. Have a look at these Science Learning Hub links to see how they might fit in to your weather unit. General weather concepts and ...

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Nigel Latta Blows Stuff Up Episode 3: Weather

Nigel Latta puts his body on the line to test the kind of weather we usually try to avoid. Explore the science – and the ethical issues – behind his recreations of torrential rain, hurricane ...

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Earth system

Trying to understand how this planet we call home works can seem confusing – there are so many things going on at once! Scientists break down the way the Earth system works to a number of ...

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Fire behaviour

Fires behave differently. Some burn slowly and evenly; others are extremely hot, burning fiercely and quickly. Different fires have different coloured flames. Some fires start easily; others ...

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Insulation

In Antarctica, winter temperatures can vary from -70ºC to -15ºC – it is one of the coldest places to live on earth. To survive in the Antarctic, keeping warm becomes a very important focus, and ...

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Water and ice

Looking down at the Earth from space, you can get an idea of just how much water there is. In fact, around 71% of the Earth’s surface is covered in water. Oceans make up about 97% of the world’s ...

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Water and weather

The water cycle is driven by energy from the sun. Liquid water is evaporated and changed into a gas. In this process, energy is absorbed (endothermic). The gaseous vapour rises and circulates in ...

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Lightning explained

Lightning is a large-scale natural spark discharge that occurs within the atmosphere or between the atmosphere and the Earth’s surface. On discharge, a highly electrically conductive plasma ...

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Soil formation

New Zealand has a wide variety of landscapes. A day’s sightseeing journey might include volcanic plateaus, rolling hills, river basins and coastal lands. It is easy to notice how the scenery ...

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Observing clouds and weather

Wayfinder navigators always look for signs of weather at sunrise and sunset. This is when they try to predict the weather for the next 12 hours. One of the easiest ways to predict weather is to ...

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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 ...

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Snow and ice density

A small dataset showing the typical densities of snow and ice. Typical densities of snow and ice (kg/m³)   New snow (immediately after falling in calm) 50-70 Damp new snow 100-200 Settled snow ...

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Fertiliser

Just as we have essential needs for our growth, plants also have essential needs for their survival. These include: sunlight air water nutrients appropriate temperature. As long as plants have ...

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Why is Antarctica so cold?

During winter, the average temperature in the South Pole is -60°C, but in the North Pole it is -30°C. Why is there such a difference? Three factors come together, resulting in the cold world we ...

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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 ...

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New Zealand’s National Science Challenges

As New Zealanders looking to the future, we are faced with many opportunities – and challenges. These include improving the health of all our people, advancing our economic growth, protecting our ...

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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 ...

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