TUDO QUE VOCÊ PRECISA SABER SOBRE A OBA - Olimpíada Brasileira de Astronomia e Astronáutica!

Summary

In this video, the speaker offers valuable tips for preparing for the Brazilian Astronomy and Astronautics Olympiad (OBA). The Olympiad consists of four levels based on students' grade levels, with participants ranging from elementary school to high school. The video explains the test structure, scoring system, and the possibility of earning medals, including gold, silver, and bronze. It also highlights the opportunity for top performers to qualify for international competitions. To help students prepare, the speaker recommends studying past exams, using the official OBA resources, and reviewing key astronomical and astronautical concepts.

Takeaways

• 😀 The Olimpíada Brasileira de Astronomia e Astronáutica (OBA) aims to encourage scientific knowledge in astronomy and astronautics.
• 😀 OBA is a one-phase competition, with the test being held on a single day, and it includes four levels based on the student's grade.
• 😀 The four levels are: Level 1 (1st-3rd grade), Level 2 (4th-5th grade), Level 3 (6th-9th grade), and Level 4 (High School).
• 😀 Level 1, 2, and 3 students have 2 hours to complete the test, while Level 4 students have 3 hours due to more complex questions involving math and physics.
• 😀 Approximately 900,000 to 1 million students participate in the OBA annually, but fewer actually complete the test.
• 😀 Around 50,000 medals (gold, silver, and bronze) are distributed across all levels each year, making it a feasible goal for dedicated students to earn recognition.
• 😀 The minimum score required to win a gold medal typically starts at 9.8, with silver at 9.4, and bronze around 8.7 for Level 1.
• 😀 For higher levels, the required scores for medals decrease due to the increasing difficulty of the questions, with a gold medal often attainable with scores as low as 8.0 in Level 4.
• 😀 OBA is responsible for selecting students for international astronomy competitions, such as the Latin American Astronomy Olympiad and the International Astronomy Olympiad.
• 😀 It is important to study past tests and review answers to understand common mistakes and strengthen weak areas, as this is a key part of preparation for the OBA.

Q & A

What is the OBA and what is its purpose?

The OBA (Olimpíada Brasileira de Astronomia e Astronáutica) is a Brazilian competition aimed at encouraging scientific knowledge about astronomy and astronautics.

How is the OBA structured in terms of different levels?

The OBA has four levels based on the student's educational level: Level 1 (1st to 3rd grade), Level 2 (4th and 5th grade), Level 3 (6th to 9th grade), and Level 4 (High school).

How long is the exam for each level?

For Levels 1, 2, and 3, the exam lasts 2 hours. For Level 4, the exam lasts up to 3 hours due to its higher difficulty and the inclusion of more advanced calculations in math and physics.

How many students participate in the OBA annually?

Approximately 900,000 students participate in the OBA each year, although this number can fluctuate. The number of participants who actually take the exam is typically lower.

How many medals are awarded in the OBA?

Around 50,000 medals are distributed across all four levels of the OBA. These medals include gold, silver, and bronze awards.

What scores are generally required to win a medal in the OBA?

For Level 1, a score of 9.8 or higher is usually required for a gold medal. For Level 4, a score of 8.5 might be sufficient for a gold medal. The exact score varies each year depending on the exam's difficulty.

Can a student from any type of school participate in the OBA?

Yes, students from both public and private schools can participate in the OBA. While the specific exam may vary slightly between schools, the content is very similar.

What is the format of the OBA exam?

The OBA exam consists of 10 questions. Seven questions are related to astronomy, covering topics such as phases of the moon, Earth’s movements, and celestial bodies. Three questions are related to astronautics, covering space exploration topics like rockets and satellites.

Is a calculator allowed in the OBA exam?

Yes, a calculator is allowed, particularly in higher levels (3 and 4), where more complex calculations may be required. However, the exam is mostly theoretical, so calculators might not always be helpful.

How does the OBA relate to international astronomy competitions?

The OBA is responsible for selecting students to represent Brazil in international astronomy and astronautics competitions, such as the Latin American and International Olympiads of Astronomy and Astronautics.