- 1. Which is a tool that astronomers use?
A) optical telescope B) hammer C) stethascope D) moon
- 2. Which is a tool that astronomers use?
A) radio telescope B) porsle sight C) optical probe D) steth seeker
- 3. A light-year is the distance that light travels in:
A) 1 week B) 1 year C) 1 month D) 1 second
- 4. A radio teleschope collects what?
A) sound waves B) pictures of outerspace. C) radio waves D) music
- 5. What is something doing when it circles another object? It is.....
A) circling B) orbiting C) rotating D) day
- 6. What is a force that pulls objects to each other?
A) solar sytem B) rotate C) gravity D) orbit
- 7. What is the time that it takes the Earth to circle the sun once?
A) year B) day
- 8. What is the time that it takes the Earth to spin around once on its axis?
A) day B) year
- 9. There are _________ planets in the solar system.
A) nine B) 10 (counting the sun) C) 365 days D) eight
- 10. Every time the Earth orbits the sun, one _________ goes by
A) year B) day C) week D) month
 - 11. Which planet is closest to the sun?
A) Pluto B) Mercury C) Venus D) Earth
 - 12. Which planet is the largest in our Solar System?
A) Jupiter B) Earth C) Mercury D) Sun
- 13. Which of these suns have the hottest surface temperature?
A) White Sun B) Yellow Sun C) Red Sun D) Blue Sun
- 14. The most accepted theory for the creation of the Universe is called the:
A) Space Theory B) Steady-State Theory C) Big Bang Theory D) Einstein's Theory
- 15. Which of these is not a type of Galaxy
A) Irregular B) Cube C) Elliptical D) Spiral
 - 16. A supernova is a large explosion of a:
A) Planet B) Moon C) Star
- 17. It takes about one ___________ for the moon to orbit the Earth.
A) month B) week C) 366 days during a leap year D) 24 hours
- 18. The name of our Galaxy is called the:
A) Milky Way B) Nebula C) Milk Bar D) Andromeda
- 19. All electromagnetic waves travel at:
A) The speed of light. B) The speed of sound. C) The speed of a Jet. D) The speed of a bullet.
- 20. The most common landforms on the moon are__________.
A) mountians B) lakes C) rocks D) craters
- 21. A Nebula is a large Interstellar:
A) Blackhole B) Planet C) Cloud D) Neutron Star
- 22. The Ngarrindjeri people who occupy the Coorong and Murray Valley region of South Australia saw the Southern Cross as a:
A) Crab B) Prawn C) Starfish D) Giant Stingray
- 23. What is the name given to stars that are 10 times larger than our own Sun?
A) Supergiants B) Giant C) Megagiants
 - 24. Which chemical element is the most abundant in the Universe?
A) Hydrogen B) Oxygen C) Carbon D) Iron
- 25. Stars appear very small in the night sky because they are:
A) 1 kilometre away B) Light-years away C) Microscopic Stars D) 1000 kilometres away
- 26. Approximately how long does it take light from the Sun to reach your eyes?
A) 5 years B) 8 minutes C) 2 days D) 1 hour
- 27. Saturday is named after which planet in our Solar System?
A) Mercury B) Saturn C) Jupiter D) Mars
- 28. What do we call a region in spacetime with a strong gravitational effect that nothing—including light—can escape from inside it?
A) Galaxy B) Blackhole C) Nebula D) Red Giant
- 29. Groups of Stars, in our Night Sky, that are shaped like Animals or familiar objects are called:
A) Nebulas B) Doodles C) Galaxies D) Constellations
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