One will experience a different culture and life style from what he has been used to. If you don't get good information and awareness about the country, you may undergo a "Culture Shock" of the "blues of new place". It is important to observe the habits, reactions and customs of people. Learn as much as you can, get info-rich but never ever change your traditional values and your real self.
There is a lot more you will learn about Australian people but be positive, be flexible and try to adapt. Listen, observe and ask whenever you are in doubt.
The method of study in Australia may be very different to what you have experienced so far. Therefore it is important to give yourself a head start. Keep up to date with Australian news and current affairs and become familiar with Australia's education system and learning culture. When you arrive, practice listening to the Australian accent - it is different but you will soon understand the local terms and way of speaking.
In Australia, students are expected to conduct independent research, collect and analyze data by themselves or in-groups, to raise questions, to participate in discussions and debates with other students and teachers. Rote learning does not exist and students take an active part in the learning process. Students spend a great deal of time in libraries and laboratories conducting their own research. To be a successful student you will need to adapt to these new methods of learning and assessment. Students are assessed continuously through essays, presentations, tests, assignments etc. One thing that may surprise you is the amount of access that you will be able to obtain with your tutors and lecturers. If you are having an academic problem, discuss it with them - don't let it develop from a minor issue into a major problem for you.