Forms of energy
Energy stored in food, fuels and batteries, released when bonds are broken.
Chemical energy
Name the main energy transformation in a torch, from the battery to the beam.
Chemical to electrical to light energy (plus some heat)
In the video games, what is the name of Mario's brother?
Luigi
Which bird stands beside the kangaroo on the Australian coat of arms?
The emu
What is the capital city of Australia?
Canberra
The energy an object has because it is moving.
Kinetic energy
This law says energy cannot be created or destroyed, only changed from one form to another.
The Law of Conservation of Energy
How many strings does a standard guitar have?
Six
What is the longest river in Australia?
The Murray River
What is the collective noun for a group of crows?
A murder
A stretched rubber band and a compressed spring both store this kind of energy.
Elastic potential energy
In photosynthesis, a plant changes energy from this form into this form.
Light energy into chemical energy
In The Wizard of Oz, what colour are Dorothy's famous slippers?
Ruby red
Which Australian state is made up entirely of islands?
Tasmania
This food has been found in ancient tombs and is still edible thousands of years later.
Honey
Energy stored in the nucleus of an atom, released in a power station using uranium.
Nuclear energy
When energy is transformed, this form is almost always produced as waste.
Heat (thermal) energy
What do the letters DJ stand for?
Disc jockey
What is the Aboriginal name of the huge sandstone rock in the Northern Territory?
Uluru
How many keys are there on a standard full-size piano?
88
All forms of energy can be sorted into these two big families.
Kinetic (movement) energy and potential (stored) energy
A light globe takes in 100 J of electrical energy and gives out 20 J of light. What is its efficiency?
20% (useful energy out divided by total energy in, times 100)
Name the seven letters used to name the musical notes before they repeat.
A, B, C, D, E, F and G
How many stars are on the Australian flag, and what are they?
Six — the five stars of the Southern Cross plus the Commonwealth Star
What is the largest desert on Earth?
Antarctica