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 ...

Digestive enzymes

https://www.sciencelearn.org.nz/resources/1840-digestive-enzymes
Enzymes are globular proteins that control biological reactions. Digestive enzymes speed up 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 ...

Rocket aerodynamics

https://www.sciencelearn.org.nz/resources/392-rocket-aerodynamics
Rocket aerodynamics is the study of how air flows over a rocket and how this affects drag and ...

Ocean salinity

https://www.sciencelearn.org.nz/resources/686-ocean-salinity
There are many chemicals in seawater that make it salty. Most of them get there from rivers ...

What is fire?

https://www.sciencelearn.org.nz/resources/747-what-is-fire
Fire is the visible effect of the process of combustion – a special type of chemical reaction ...

The ocean and the carbon cycle

https://www.sciencelearn.org.nz/resources/689-the-ocean-and-the-carbon-cycle
The ocean plays an important role in the global carbon cycle. Carbon moves in and out of the ...

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 ...

Calculating rocket acceleration

https://www.sciencelearn.org.nz/resources/397-calculating-rocket-acceleration
How does the acceleration of a model rocket compare to the Space Shuttle? By using the ...

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 ...

Food’s journey through the digestive system

https://www.sciencelearn.org.nz/resources/1849-food-s-journey-through-the-digestive-system
A look at the time it takes for food to pass through the gut from mouth to anus. In a healthy ...

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 ...

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 ...

Ocean dissolved gases

https://www.sciencelearn.org.nz/resources/688-ocean-dissolved-gases
Seawater has many different gases dissolved in it, especially nitrogen, oxygen and carbon ...

Brief history of rockets – timeline

https://www.sciencelearn.org.nz/resources/1868-brief-history-of-rockets-timeline
This timeline looks at some of the historical aspects of rockets - taking science and ...

Mitochondria – cell powerhouses

https://www.sciencelearn.org.nz/resources/1839-mitochondria-cell-powerhouses
Mitochondria are tiny organelles inside cells that are involved in releasing energy from food ...

Getting rockets into space

https://www.sciencelearn.org.nz/resources/394-getting-rockets-into-space
Rockets launched into space can be suborbital (brief visit to space) or orbital (staying in ...

Lift-off

https://www.sciencelearn.org.nz/resources/389-lift-off
A rocket will launch and keep speeding up as long as the force pushing it upwards (thrust) is ...

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 ...

What is smoke?

https://www.sciencelearn.org.nz/resources/748-what-is-smoke
What is smoke and why do some fires seem to have more smoke than others? Smoke is a collection ...

What are ceramics?

https://www.sciencelearn.org.nz/resources/1769-what-are-ceramics
A ceramic is an inorganic non-metallic solid made up of either metal or non-metal compounds ...

Large intestine function

https://www.sciencelearn.org.nz/resources/1832-large-intestine-function
Recent research has revealed that the large intestine and its resident bacterial population ...

Digestion – breaking the large into the small

https://www.sciencelearn.org.nz/resources/1830-digestion-breaking-the-large-into-the-small
Digestion of food involves both physical and chemical processes. Through digestion, large food ...
Load more