- 1. Which is a tool that astronomers use?
A) hammer B) moon C) stethascope D) optical telescope
- 2. Which is a tool that astronomers use?
A) porsle sight B) radio telescope C) optical probe 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) music C) pictures of outerspace. D) sound waves
- 5. What is something doing when it circles another object? It is.....
A) rotating B) orbiting C) circling D) day
- 6. What is a force that pulls objects to each other?
A) gravity B) solar sytem C) orbit D) rotate
- 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) eight C) 10 (counting the sun) D) 365 days
- 10. Every time the Earth orbits the sun, one _________ goes by
A) day B) month C) year D) week
 - 11. Which planet is closest to the sun?
A) Mercury B) Venus C) Pluto D) Earth
 - 12. Which planet is the largest in our Solar System?
A) Mercury B) Sun C) Jupiter D) Earth
- 13. Which of these suns have the hottest surface temperature?
A) Red Sun B) Yellow Sun C) Blue Sun D) White Sun
- 14. The most accepted theory for the creation of the Universe is called the:
A) Steady-State Theory B) Big Bang Theory C) Space Theory D) Einstein's Theory
- 15. Which of these is not a type of Galaxy
A) Spiral B) Irregular 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) 366 days during a leap year B) 24 hours C) month D) week
- 18. The name of our Galaxy is called the:
A) Andromeda B) Nebula C) Milk Bar D) Milky Way
- 19. All electromagnetic waves travel at:
A) The speed of sound. B) The speed of a Jet. C) The speed of a bullet. D) The speed of light.
- 20. The most common landforms on the moon are__________.
A) mountians B) rocks C) craters D) lakes
- 21. A Nebula is a large Interstellar:
A) Planet B) Cloud C) Neutron Star D) Blackhole
- 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) Iron B) Carbon C) Oxygen D) Hydrogen
- 25. Stars appear very small in the night sky because they are:
A) 1 kilometre away B) 1000 kilometres away C) Microscopic Stars D) Light-years away
- 26. Approximately how long does it take light from the Sun to reach your eyes?
A) 5 years B) 1 hour C) 8 minutes D) 2 days
- 27. Saturday is named after which planet in our Solar System?
A) Mars B) Saturn C) Jupiter D) Mercury
- 28. What do we call a region in spacetime with a strong gravitational effect that nothing—including light—can escape from inside it?
A) Red Giant B) Galaxy C) Blackhole D) Nebula
- 29. Groups of Stars, in our Night Sky, that are shaped like Animals or familiar objects are called:
A) Constellations B) Doodles C) Galaxies D) Nebulas
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