How elements are formed

https://www.sciencelearn.org.nz/resources/1727-how-elements-are-formed
Our world is made of elements and combinations of elements called compounds. An element is a ...

Heat energy

https://www.sciencelearn.org.nz/resources/750-heat-energy
Most of us use the word ‘heat’ to mean something that feels warm, but science defines heat as ...

Humans and the water cycle

https://www.sciencelearn.org.nz/resources/726-humans-and-the-water-cycle
We are becoming increasingly aware of our impacts on nature, but unfortunately many of the ...

Non-Newtonian fluids

https://www.sciencelearn.org.nz/resources/1502-non-newtonian-fluids
Many people have heard of Sir Isaac Newton. He is famous for developing many scientific ...

Solids, liquids and gases

https://www.sciencelearn.org.nz/resources/607-solids-liquids-and-gases
Water is the only common substance that is naturally found as a solid, liquid or gas. Solids ...

Development of the periodic table

https://www.sciencelearn.org.nz/resources/1804-development-of-the-periodic-table
Although elements such as gold, silver, tin, copper, lead and mercury have been known since ...

States of matter

https://www.sciencelearn.org.nz/resources/1499-states-of-matter
Anything that has mass is made up of matter – an all-encompassing word for atoms and molecules ...

The essential elements

https://www.sciencelearn.org.nz/resources/1728-the-essential-elements
As our knowledge of the chemistry of living systems (biochemistry) increases, we learn more ...

Carbon cycle

https://www.sciencelearn.org.nz/resources/1569-carbon-cycle
The carbon cycle can seem like a complex process because there are many interacting parts ...

The water cycle

https://www.sciencelearn.org.nz/resources/721-the-water-cycle
The Earth has a finite amount of water. The water that is here today is the same water that ...

What is the Earth system?

https://www.sciencelearn.org.nz/resources/1256-what-is-the-earth-system
There are many interacting systems that make up the Earth, many of which are dynamic. These ...

Earth system

https://www.sciencelearn.org.nz/resources/720-earth-system
Trying to understand how this planet we call home works can seem confusing – there are so many ...

Melting and freezing

https://www.sciencelearn.org.nz/resources/608-melting-and-freezing
Water can exist as a solid (ice), liquid (water) or gas (vapour or gas). Adding heat can cause ...

Non-renewable energy sources

https://www.sciencelearn.org.nz/resources/1570-non-renewable-energy-sources
Energy comes from many sources, and to describe these sources we use two terms: renewable and ...

Using isotopes as tracers

https://www.sciencelearn.org.nz/resources/1801-using-isotopes-as-tracers
Radioactive isotopes have many useful applications in a wide variety of situations, for ...

Insulation

https://www.sciencelearn.org.nz/resources/1006-insulation
In Antarctica, winter temperatures can vary from -70ºC to -15ºC – it is one of the coldest ...

Water and ice

https://www.sciencelearn.org.nz/resources/1008-water-and-ice
Looking down at the Earth from space, you can get an idea of just how much water there is. In ...

Metals, alloys and metal compounds

https://www.sciencelearn.org.nz/resources/1733-metals-alloys-and-metal-compounds
From titanium implants to new superconducting alloys to useful metal compounds, we are ...

Water density

https://www.sciencelearn.org.nz/resources/1009-water-density
Water density changes with temperature and salinity. Density is measured as mass (g) per unit ...

Water and weather

https://www.sciencelearn.org.nz/resources/725-water-and-weather
The water cycle is driven by energy from the sun. Liquid water is evaporated and changed into a ...

Viscosity

https://www.sciencelearn.org.nz/resources/1500-viscosity
If you poured some water down a slope, it would flow freely and quickly, but what about if you ...

What is energy?

https://www.sciencelearn.org.nz/resources/1572-what-is-energy
This is both a simple and complex question. Energy is in everything – it is often described as ...

Big Bang theory

https://www.sciencelearn.org.nz/resources/1814-big-bang-theory
In this activity, students gain understanding of the role the Large Hadron Collider is playing ...

Observing bubbles

https://www.sciencelearn.org.nz/resources/609-observing-bubbles
The next time you use a straw to blow bubbles into your juice or use a bubble wand to make soap ...
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