- 1. Which is a tool that astronomers use?
A) stethascope
B) hammer
C) moon
D) optical telescope
- 2. Which is a tool that astronomers use?
A) steth seeker
B) porsle sight
C) optical probe
D) radio telescope
- 3. A light-year is the distance that light travels in:
A) 1 second
B) 1 week
C) 1 year
D) 1 month
- 4. A radio teleschope collects what?
A) music
B) radio waves
C) pictures of outerspace.
D) sound waves
- 5. What is something doing when it circles another object? It is.....
A) day
B) rotating
C) circling
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) year
B) day
- 9. There are _________ planets in the solar system.
A) eight
B) 365 days
C) 10 (counting the sun)
D) nine
- 10. Every time the Earth orbits the sun, one _________ goes by
A) week
B) day
C) year
D) month
- 11. Which planet is closest to the sun?
A) Earth
B) Mercury
C) Pluto
D) Venus
- 12. Which planet is the largest in our Solar System?
A) Earth
B) Mercury
C) Jupiter
D) Sun
- 13. Which of these suns have the hottest surface temperature?
A) Yellow Sun
B) Blue Sun
C) White Sun
D) Red Sun
- 14. The most accepted theory for the creation of the Universe is called the:
A) Space Theory
B) Big Bang Theory
C) Einstein's Theory
D) Steady-State Theory
- 15. Which of these is not a type of Galaxy
A) Cube
B) Elliptical
C) Spiral
D) Irregular
- 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) month
C) 366 days during a leap year
D) 24 hours
- 18. The name of our Galaxy is called the:
A) Milk Bar
B) Andromeda
C) Nebula
D) Milky Way
- 19. All electromagnetic waves travel at:
A) The speed of sound.
B) The speed of light.
C) The speed of a Jet.
D) The speed of a bullet.
- 20. The most common landforms on the moon are__________.
A) craters
B) lakes
C) rocks
D) mountians
- 21. A Nebula is a large Interstellar:
A) Neutron Star
B) Blackhole
C) Planet
D) Cloud
- 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) Megagiants
B) Supergiants
C) Giant
- 24. Which chemical element is the most abundant in the Universe?
A) Iron
B) Hydrogen
C) Carbon
D) Oxygen
- 25. Stars appear very small in the night sky because they are:
A) Microscopic Stars
B) 1 kilometre away
C) Light-years away
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) 1 hour
D) 2 days
- 27. Saturday is named after which planet in our Solar System?
A) Mercury
B) Jupiter
C) Mars
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) Nebula
B) Red Giant
C) Galaxy
D) Blackhole
- 29. Groups of Stars, in our Night Sky, that are shaped like Animals or familiar objects are called:
A) Nebulas
B) Doodles
C) Constellations
D) Galaxies
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