- 1. Which is a tool that astronomers use?
A) stethascope B) optical telescope C) moon D) hammer
- 2. Which is a tool that astronomers use?
A) optical probe B) radio telescope C) steth seeker D) porsle sight
- 3. A light-year is the distance that light travels in:
A) 1 year B) 1 second C) 1 month D) 1 week
- 4. A radio teleschope collects what?
A) sound waves B) pictures of outerspace. C) music D) radio waves
- 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) rotate B) orbit C) solar sytem D) gravity
- 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) eight B) nine C) 365 days D) 10 (counting the sun)
- 10. Every time the Earth orbits the sun, one _________ goes by
A) month B) day C) week D) year
- 11. Which planet is closest to the sun?
A) Pluto B) Earth C) Mercury D) Venus
- 12. Which planet is the largest in our Solar System?
A) Jupiter B) Mercury C) Sun D) Earth
- 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) Space Theory C) Big Bang Theory D) Einstein's Theory
- 15. Which of these is not a type of Galaxy
A) Elliptical B) Cube C) Irregular 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) 24 hours D) 366 days during a leap year
- 18. The name of our Galaxy is called the:
A) Milk Bar B) Milky Way C) Andromeda D) Nebula
- 19. All electromagnetic waves travel at:
A) The speed of a Jet. B) The speed of a bullet. C) The speed of sound. D) The speed of light.
- 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) Cloud B) Blackhole C) Planet 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) Giant Stingray C) Starfish D) Crab
- 23. What is the name given to stars that are 10 times larger than our own Sun?
A) Supergiants B) Megagiants C) Giant
- 24. Which chemical element is the most abundant in the Universe?
A) Carbon B) Iron C) Hydrogen D) Oxygen
- 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) 2 days B) 1 hour C) 5 years D) 8 minutes
- 27. Saturday is named after which planet in our Solar System?
A) Mars B) Jupiter C) Mercury D) Saturn
- 28. What do we call a region in spacetime with a strong gravitational effect that nothing—including light—can escape from inside it?
A) Blackhole B) Red Giant C) Galaxy D) Nebula
- 29. Groups of Stars, in our Night Sky, that are shaped like Animals or familiar objects are called:
A) Galaxies B) Doodles C) Constellations D) Nebulas
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