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