The Water Cycle
Renewable Energy
Non-renewable energy
Metals
Rocks
100

Farmers rely on this form of precipitation.

What is rain?

100

Coming in either thermal, or photoelectric varieties, Australia is well suited to making use of this kind of renewable energy. 

What is solar energy?

100

Coming from oil reserves, this fossil fuel commonly powers trucks, mining equipment and more.

What is diesel?

100

This metal is important in the building industry and many more. It can be picked up with a magnet.

What is steel/iron?

100

This type of rock is formed from cooling magma

What is igneous rock?

200

This form of precipitation might occur when it's very cold.

What is snow?

200

This type of energy relies on the gravitational potential energy of an elevated water store.

What is hydroelectric energy?

200

This fossil fuel is the most common fuel source for passenger cars in Australia.

What is petrol?

200

This metal is important in the aeronautical industry and many more. A magnet won't pick it up, but a fast moving magnet can be used to flick it off a conveyor due to magnetic induction.

What is Aluminium?

200

This type of rock is built up of layers over time.

What is sedimentary rock?

300

This process in the water cycle is a change of state from liquid to gas.

What is evaporation?

300
Renewable energy that relies on heat from Earth's interior. 

What is geothermal energy?

300

Australia is traditionally reliant on this as an energy source and export. 

What is coal?

300

Highly conductive and commonly used in electrical cabling in buildings, this metal is found in chalcopyrite. 

What is copper?

300

This type of rock is made from rocks that are changed by heat and pressure.

What is metamorphic rock?

400

These water stores hold most of the water on Earth

What are the oceans?

400

Wind, water, or other flowing liquid can spin these for input to a generator. 

What are turbines?

400

Proposed as an alternative energy source for electricity base loads, Australia's large reserves of this and stable landmass vie with safety and other concerns around this energy source. 

What is uranium/nuclear energy?

400

This rare earth metal is important for the batteries found in smartphones. 

What is lithium?

400

This common building material is made using rocks, water and a binder made from rocks.

What is concrete?

500

Plants take water from the soil to the air through this process. 

What is transpiration?

500

The power input to a renewable energy system that is 30% efficient and outputs 6kW.

What is 20kW?

500

This most volatile hydrocarbon found in oil reserves, is also found in cow burps. 

What is natural gas/methane?

500

This expensive metal is used to make lightweight and strong alloys used in high end engine parts, bike parts, skateboard axles and more. 

What is titanium?

500

This pairing of mined ore and processed metal could one of many pairings. 

_____ and _____

What are (any of the following, or others) bauxite and aluminium / hematite and iron, galena and lead?