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 ...
The high temperatures (900°C) and extremely high pressures that occur in the mantle layer of the Earth are enough to melt rock. The high pressure changes the rock into a viscous semisolid called ...
We know that cold, damp homes are not good for our health, as explained in the article Damp homes and health risks. Ventilation is often recommended as a way to prevent dampness from ...
Plastic is an amazing material. It has changed the way we store and carry food, drinks and other items. Plastic is lightweight and resists breaking when dropped. Older people may remember when ...
When you look at the world around you, how do you categorise or group what you see? One of the broadest groupings is 'living' and 'non-living'. This may sound simple, but it is sometimes ...
Light is made up of wavelengths of light, and each wavelength is a particular colour. The colour we see is a result of which wavelengths are reflected back to our eyes. Visible light Visible ...
Reflection is when light bounces off an object. If the surface is smooth and shiny, like glass, water or polished metal, the light will reflect at the same angle as it hit the surface. This is ...
As science and technology advance, ethical issues are brought to the fore not only for scientists and technologists but also for the general public. The New Zealand Curriculum (NZC) reflects this ...
This class case study provides an example of introducing ethical thinking into the classroom to explore a controversial issue in science. It shows how the ethical frameworks in the Ethics ...
These unit plans come as Word document downloads that can be easily modified to suit your students’ learning needs or used as they are. Butterflies (lower primary) Learn about native and ...
Fresh water is essential to life. On this trip you will see how quality freshwater drives a significant part of the local economy around Lake Taupō. Go whitewater rafting and fly-fishing with us ...
Join LEARNZ for What`s the plan, Stan? - getting ready for an emergency. What will you do in an emergency? You probably already know to "Drop, Cover and Hold" during an earthquake. But as a ...
Join LEARNZ for their annual trek to Antarctica. At the end of 2018 go to a place that has fascinated explorers and scientists for over 100 years; Antarctica. Unlike early adventurers you won't ...
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