- 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) optical probe
C) porsle sight
D) steth seeker
- 3. A light-year is the distance that light travels in:
A) 1 second
B) 1 week
C) 1 month
D) 1 year
- 4. A radio teleschope collects what?
A) music
B) sound waves
C) pictures of outerspace.
D) radio waves
- 5. What is something doing when it circles another object? It is.....
A) orbiting
B) day
C) circling
D) rotating
- 6. What is a force that pulls objects to each other?
A) orbit
B) gravity
C) solar sytem
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) 365 days
B) nine
C) 10 (counting the sun)
D) eight
- 10. Every time the Earth orbits the sun, one _________ goes by
A) month
B) year
C) week
D) day
 - 11. Which planet is closest to the sun?
A) Mercury
B) Earth
C) Venus
D) Pluto
- 12. Which planet is the largest in our Solar System?
A) Earth
B) Mercury
C) Sun
D) Jupiter
- 13. Which of these suns have the hottest surface temperature?
A) Yellow Sun
B) White Sun
C) Red Sun
D) Blue Sun
- 14. The most accepted theory for the creation of the Universe is called the:
A) Big Bang Theory
B) Steady-State Theory
C) Einstein's Theory
D) Space Theory
- 15. Which of these is not a type of Galaxy
A) Cube
B) Irregular
C) Spiral
D) Elliptical
 - 16. A supernova is a large explosion of a:
A) Moon
B) Star
C) Planet
- 17. It takes about one ___________ for the moon to orbit the Earth.
A) week
B) 366 days during a leap year
C) 24 hours
D) month
- 18. The name of our Galaxy is called the:
A) Nebula
B) Milk Bar
C) Milky Way
D) Andromeda
- 19. All electromagnetic waves travel at:
A) The speed of a bullet.
B) The speed of sound.
C) The speed of a Jet.
D) The speed of light.
- 20. The most common landforms on the moon are__________.
A) rocks
B) lakes
C) craters
D) mountians
- 21. A Nebula is a large Interstellar:
A) Blackhole
B) Cloud
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) Starfish
B) Crab
C) Giant Stingray
D) Prawn
- 23. What is the name given to stars that are 10 times larger than our own Sun?
A) Giant
B) Megagiants
C) Supergiants
 - 24. Which chemical element is the most abundant in the Universe?
A) Hydrogen
B) Iron
C) Oxygen
D) Carbon
- 25. Stars appear very small in the night sky because they are:
A) Microscopic Stars
B) Light-years away
C) 1 kilometre away
D) 1000 kilometres away
- 26. Approximately how long does it take light from the Sun to reach your eyes?
A) 8 minutes
B) 1 hour
C) 5 years
D) 2 days
- 27. Saturday is named after which planet in our Solar System?
A) Mars
B) Saturn
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) Galaxy
B) Red Giant
C) Blackhole
D) Nebula
- 29. Groups of Stars, in our Night Sky, that are shaped like Animals or familiar objects are called:
A) Nebulas
B) Constellations
C) Doodles
D) Galaxies
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