The Big Science Competition 5 to 16 May 2025 is complete. Thank you to all the students and teachers who showed their support! Results and certificates are available on the ASI Teacher Portal. Schools and students who win prizes will be contacted directly.
Teachers and facilitators who are new to ASI Programs, subscribe to the ASI Program Updates mailing list for news, or get prepared for next time by completing the form to request an account and access to the ASI Teacher Portal at any time.
Big Science, Big Possibilities!
The Big Science Competition is open to students in Years 7 to 10 globally. It’s a 50-minute, mixed format online competition testing science knowledge, critical-thinking and problem-solving skills. Questions are set in real-life, contemporary contexts, making them relatable… and interesting!
- Challenge students from Years 7 to 10.
- Track their performance against state and national averages.
- Questions are aligned with the Australian Curriculum – Science.
- Four paper levels which correspond to each year level.
- Australian schools and students can win great prizes! T&C’s apply.
In 2025, the Big Science Competition will cost AUD$9.35 (GST inclusive) per student. GST is not applicable for international schools.
Students receive a certificate indicating their performance and schools will receive comprehensive reporting on student results compared to class, school and national averages.
Sitting the Big Science Competition could lead to selection in our science extension programs including the Junior Science Olympiad Training Squad and Curious Minds – girls in STEM.
Registrations are closed for 2025.Teachers and facilitators who are new to ASI Programs, subscribe to the ASI Program Updates mailing list for news, or get prepared for next time by completing the form to request an account and access to the ASI Teacher Portal at any time.
Oliver's Journey to Gold
“My Year 7 Science teacher introduced me to the Junior Science Olympiad and the Big Science Competition, which allowed me to get my foot in the door.”
FAQs
BSC 5 to 16 May 2025 is complete. Teachers and facilitators who are new to ASI Programs, subscribe to the ASI Program Updates mailing list for news, or get prepared for next time by completing the form to request an account and access to the ASI Teacher Portal at any time.
Schools can run the competition at any time that suits their timetable. Different year groups may sit the Big Science Competition on different days. We do ask that all students sitting at the same level do so on the same day, under exam conditions to maintain the integrity of the competition.
Students who are home-schooled, learn remotely or who otherwise cannot sit the exam at their school may sit the competition at home under supervision.
Competition questions are aligned with the Australian Curriculum – Science. There are four paper levels which correspond to each year level. This 50-minute, mixed format online competition tests science knowledge, critical-thinking and problem-solving skills
Purchasing a Past Exam Paper is a great way to help you find out what the Big Science Competition is all about!
All high school students in Years 7 to 10 are eligible to sit the Big Science Competition. The competition is open to Australian and international schools.
Registrations must come via schools, registered home schools or distance education facilities, or tutoring or education academies. We do not accept direct student registrations; all interested students should contact their science teacher or facilitator to discuss taking part.
Teachers and facilitators who are new to ASI Programs, subscribe to the ASI Program Updates mailing list for news on our upcoming programs, or request access to an ASI account at any time here. Contact asi@asi.edu.au if you have any enquiries.
BSC 5 to 16 May 2025 is complete. Contact asi@asi.edu.au or call (02) 6125 6228 for support.
- New teacher or school? Submit this form to request an account with ASI and get access to the ASI Teacher Portal. You will then be able to register your students by logging in to the ASI Teacher Portal.
- Organised the BSC or an ASI Exam before? Log in to the ASI Teacher Portal to access the BSC registration form. If you do not remember your password, please click forgotten your password? on the login screen.
Any issues with access to the ASI Teacher Portal, please email asi@asi.edu.au – we will need your name, email address, school name, school street address, and school email address.
Note, you don’t need to provide us the details for each student, just the numbers for each year level. Students will be asked to fill in their name, DOB, gender, demographics and email address when they log in to sit the competition. To adhere to your schools privacy policy, ensure you have gained relevant permission prior to the competition.
Next steps, in the weeks before the competition you will receive further details from ASI with instructions and guides on preparing your school and your students for the Big Science Competition.
Interested but not ready to register? Subscribe to the ASI Program Updates mailing list for news and updates on our programs.
Read or download the 2025 Big Science Competition Technology Profile for further information.
Check out the 2025 BSC Administration and Troubleshooting Guide.
Read or download the 2025 Big Science Competition Technology Profile and get them to do the ‘Readiness Test’.
Study for the Big Science Competition
We have past papers available for purchase to help you find out what the Big Science Competition is all about! A great way to prepare and enhance your science knowledge.
Yes! All eligible Australian schools, homeschools and tuition facilities and students who sit the exam go in the running to win prizes—no matter of their result.
| Prize Draw 1 – Australian Schools: Australian Schools receive one entry into the draw for every year level they register into the 2025 BSC. Maximum entries per school = 4 | ||
| 1st Drawn | One Functional Torso Model | |
| 2nd Drawn | One Australian Rock Kit by TESEP plus Plate Tectonics Poster | |
| 3rd Drawn | One 3D Printer plus filament supplies | |
| 4th Drawn | One Thames & Kosmos Happy Atoms Magnetic Molecular Modelling Set Complete Set 50 Atoms | |
| Total Prize Pool | $2,000.00 | |
| Prize Draw 2 – Australian Students: Australian students receive one entry into the draw for completing the 2025 BSC.
Maximum entries per student = 1 |
||
| First four drawn | EFTPOS Voucher in the value of $250.00 (four to give away) | |
| Total Prize Pool | $1,000.00 | |
More details please read BSC 2025 Giveaway Terms and Conditions
Yes, we welcome schools from across the globe.
It is important that international teachers select the correct paper for their students year level. You can view the equivalent year-levels below.
| Competition Level | Australian Year Level | New Zealand Year Level | Singapore Year Level | Approximate age range |
| Year 7 paper | Year 7 | Year 8 | Sec 1 | 12-13 years |
| Year 8 paper | Year 8 | Year 9 | Sec 2 | 13-14 years |
| Year 9 paper | Year 9 | Year 10 | Sec 3 | 14-15 years |
| Year 10 paper | Year 10 | Year 11 | Sec 4 | 15-16 years |
Are you an international teacher or school who is new to the Big Science Competition? Submit this form to request an account with ASI and get access to the ASI Teacher Portal. You will then be able to register your students by logging in to the ASI Teacher Portal.
Organised the BSC before? Log in to the ASI Teacher Portal to access the 2025 BSC registration form. If you do not remember your password, please click forgotten your password? on the login screen.
Any issues with access to the ASI Teacher Portal, please email asi@asi.edu.au – we will need your name, email address, school name, school street address, and school email address.
Note, you don’t need to provide us the details for each student, just the numbers for each year level. Students will be asked to fill in their name, DOB, gender, demographics and email address when they log in to sit the competition. To adhere to your schools privacy policy, ensure you have gained relevant permission prior to the competition.
Interested but not ready to register? Subscribe to the ASI Program Updates mailing list for news and updates on our programs.
Download and print these posters for your school:
2025 Big Science Competition – One Sitting
2025 Big Science Competition – Two Sittings
2025 Big Science Competition – Prizes
Click to open and download the social media tile:
Students who sit the Big Science Competition are assessed against the outcomes for the Australian Curriculum – Science. Teachers get access to comprehensive results that show where your students sit individually, as a class, and against your state average. This report can help you implement the learnings of the competition within the classroom.
Students receive a certificate indicating their performance.
We will contact schools by email when the report and certificates are available to download via the ASI Teacher Portal.
High achieving students could be selected for our science extension programs including the Junior Science Olympiad Training Squad and Curious Minds – girls in STEM.
Prizes will be drawn and announced after the competition.
You can find more information in our Competition and Exam Support webpage.
The Australian Science Innovations (ASI) office will be open from 7 am to 6 pm AEST, Monday to Friday during the competition period.
Please contact us on 02 6125 6228, or email us on asi@asi.edu.au
You can also check out the 2025 BSC Administration and Troubleshooting Guide.
Registrations are closed.
Interested but not ready to register? Subscribe to the ASI Program Updates mailing list!
