This habitat is found on every continent
Desert
I am the first chemical element in the periodic table. The most common element in the universe.
Hydrogen
This is made of metal, and quite attractive to some materials.
Magnet
A famous frizzy haired scientist, responsible for E = mc^2 and relativity.
Albert Einstein
The process by which plants get energy from the sun, starting with "P".
Photosynthesis
A common household process, this is beneficial to the environment starting with "R"
Recycling
A colourless and non-flammable substance, used as a cooling agent, it is the solid form of carbon dioxide.
Dry Ice
A type of force, important for cars to accelerate, turn or stop, and weaker when its wet.
Friction
A form of energy, it travels at 330 metres per second in air.
Sound
Types of animals, like crocodiles, that are cold blooded.
Reptiles
Sandstone, limestone and shale are all types of this type of rock.
Sedimentary
A common compound, too much of this in the soil makes it hard for plants to grow.
Salt
X-rays
A digestive juice made by the liver, I can be a bit greenish or yellowish
Bile
The name of the tiny structures in the lungs where oxygen and carbon dioxide are exchanged
Alveoli
A natural resource that is burned, I'm one of Australia's most lucrative exports to other countries.
Coal
A colourless substance, I am solid carbon dioxide, but better known as what?
Dry Ice
A famous astronomer, I was imprisoned for arguing that the planets revolve around the sun.
Galileo Galilei
A native Australian mammal, whose males are quite venomous
Platypus
Humans have 46 of these, beginning with "C"
Chromosomes
What is the name of the largest layer of the Earth, which is made of solid rock and extends to a depth of about 2,890 km
Mantle
A type of reaction, like burning, that releases energy usually in the form of heat.
Exothermic
In the eye, transparent and used to focus light rays
Lens
Inertia
A change in DNA structure, often thought of as bad, but is necessary.
Mutation