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 ...

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 ...

Macronutrients

https://www.sciencelearn.org.nz/resources/534-macronutrients
Nutrients are substances needed for growth, energy provision and other body functions ...

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 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 ...

Fire behaviour

https://www.sciencelearn.org.nz/resources/763-fire-behaviour
Fires behave differently. Some burn slowly and evenly; others are extremely hot, burning ...

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 ...

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 ...

Pedal power

https://www.sciencelearn.org.nz/resources/1348-pedal-power
Competitive cyclists have power meters to carefully monitor their training and race ...

Lightning explained

https://www.sciencelearn.org.nz/resources/239-lightning-explained
Lightning is a large-scale natural spark discharge that occurs within the atmosphere or between ...

Forces and speed

https://www.sciencelearn.org.nz/resources/1343-forces-and-speed
New Zealand’s elite cyclists spend time in the wind tunnel at Canterbury University to find ...

Renewable energy sources

https://www.sciencelearn.org.nz/resources/1571-renewable-energy-sources
Renewable energy is fuel that comes from a source that can be replenished in a short amount of ...

Plasmas explained

https://www.sciencelearn.org.nz/resources/238-plasmas-explained
We happily live in the Earth’s gaseous lower atmosphere composed of a mixture of gases – ...

Linking ideas, activities and lessons

https://www.sciencelearn.org.nz/resources/1825-linking-ideas-activities-and-lessons
In the primary classroom, even though teachers and students generally spend the day together ...

Carbon dioxide emissions calculator

https://www.sciencelearn.org.nz/resources/1588-carbon-dioxide-emissions-calculator
This activity requires access to two Internet sites: a carbon emissions calculator and a school ...

Phytochemicals

https://www.sciencelearn.org.nz/resources/538-phytochemicals
Phytochemicals are naturally occurring, biologically active chemical compounds in plants. The ...

Nuclear energy

https://www.sciencelearn.org.nz/resources/1581-nuclear-energy
For many people, the term ‘nuclear energy’ is associated with negative events and feelings ...

Using solar energy

https://www.sciencelearn.org.nz/resources/1747-using-solar-energy
Solar energy is transformed into other energy forms for our use on Earth – energy for food ...

Energy sources through time – timeline

https://www.sciencelearn.org.nz/resources/1636-energy-sources-through-time-timeline
Use this timeline to explore how humans have relied on fossil fuels in the past and how we are ...

Rolling resistance

https://www.sciencelearn.org.nz/resources/1341-rolling-resistance
Rolling resistance is one of the forces that act to oppose the motion of a cyclist. It is ...

Hydro power

https://www.sciencelearn.org.nz/resources/1574-hydro-power
Hydro power uses water to generate electricity. Most hydro electricity is generated from fresh ...

Heat pumps and energy transfer

https://www.sciencelearn.org.nz/resources/241-heat-pumps-and-energy-transfer
Heat is the flow of energy from a body at higher temperature to one at lower temperature when ...
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