- 1. Which is a tool that astronomers use?
A) stethascope
B) moon
C) optical telescope
D) hammer
- 2. Which is a tool that astronomers use?
A) optical probe
B) steth seeker
C) porsle sight
D) radio telescope
- 3. A light-year is the distance that light travels in:
A) 1 second
B) 1 year
C) 1 week
D) 1 month
- 4. A radio teleschope collects what?
A) sound waves
B) music
C) pictures of outerspace.
D) radio 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) orbit
B) solar sytem
C) rotate
D) gravity
- 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) year
B) day
- 9. There are _________ planets in the solar system.
A) nine
B) eight
C) 365 days
D) 10 (counting the sun)
- 10. Every time the Earth orbits the sun, one _________ goes by
A) week
B) year
C) day
D) month
- 11. Which planet is closest to the sun?
A) Venus
B) Mercury
C) Earth
D) Pluto
- 12. Which planet is the largest in our Solar System?
A) Mercury
B) Sun
C) Earth
D) Jupiter
- 13. Which of these suns have the hottest surface temperature?
A) Red Sun
B) White Sun
C) Yellow Sun
D) Blue Sun
- 14. The most accepted theory for the creation of the Universe is called the:
A) Big Bang Theory
B) Space Theory
C) Steady-State Theory
D) Einstein's 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) Star
B) Planet
C) Moon
- 17. It takes about one ___________ for the moon to orbit the Earth.
A) 366 days during a leap year
B) week
C) 24 hours
D) month
- 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 light.
B) The speed of a bullet.
C) The speed of sound.
D) The speed of a Jet.
- 20. The most common landforms on the moon are__________.
A) rocks
B) lakes
C) mountians
D) craters
- 21. A Nebula is a large Interstellar:
A) Cloud
B) Blackhole
C) Neutron Star
D) Planet
- 22. The Ngarrindjeri people who occupy the Coorong and Murray Valley region of South Australia saw the Southern Cross as a:
A) Giant Stingray
B) Prawn
C) Crab
D) Starfish
- 23. What is the name given to stars that are 10 times larger than our own Sun?
A) Megagiants
B) Giant
C) Supergiants
- 24. Which chemical element is the most abundant in the Universe?
A) Carbon
B) Oxygen
C) Iron
D) Hydrogen
- 25. Stars appear very small in the night sky because they are:
A) 1 kilometre away
B) Light-years away
C) Microscopic Stars
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) Mercury
B) Jupiter
C) Saturn
D) Mars
- 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) Blackhole
D) Galaxy
- 29. Groups of Stars, in our Night Sky, that are shaped like Animals or familiar objects are called:
A) Galaxies
B) Constellations
C) Nebulas
D) Doodles
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