Personal names
Use upper case for personal names:
‘Hey Mum, where’s my soccer ball?’
Use lower case for generic or unspecified names:
His mum sighed, before replying, ‘I don’t know Max. Did you leave it at your dad’s house?’
Titles
Use upper case for official titles:
the Vice Chancellor the President of the United States of America
Use lower case for non-specific titles and plural references:
Former senators have declared their support …
For centuries, British kings and queens have ruled …
Use upper case when titles are used in direct speech:
‘Is this correct, Professor?’
Names of organisations
Use upper case for a title or specified institution:
Kayla, a Southern Cross University student, won two tickets to the Byron Writers Festival.
Use lower case for generic or unspecified institutions or titles:
Several lucky high school students also won tickets to attend the festival.
Geographical names
Use upper case for official geographical names:
the Northern Rivers the Great Barrier Reef
Use lower case for descriptive geographical entities:
southeast Australia northern Italy
Time indicators
Seasons are usually lower case:
summer winter
Scientific names
Common plant and animal names are lower case:
eucalypts camels red-backed wrens
Chemical and disease names are lower case:
oxygen mercury chicken pox
Astronomical names are usually upper case:
Jupiter Mercury the Southern Cross
However, the words earth, sun and moon are capitalised only when they are referred to in a planetary context:
The sun shone brightly…
Earth is the third planet from the Sun.