- 1. Which is a tool that astronomers use?
A) hammer
B) stethascope
C) optical telescope
D) moon
- 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 month
B) 1 second
C) 1 year
D) 1 week
- 4. A radio teleschope collects what?
A) music
B) pictures of outerspace.
C) sound waves
D) radio waves
- 5. What is something doing when it circles another object? It is.....
A) circling
B) orbiting
C) day
D) rotating
- 6. What is a force that pulls objects to each other?
A) gravity
B) rotate
C) orbit
D) solar sytem
- 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) 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) year
D) week
- 11. Which planet is closest to the sun?
A) Mercury
B) Earth
C) Pluto
D) Venus
- 12. Which planet is the largest in our Solar System?
A) Earth
B) Sun
C) Mercury
D) Jupiter
- 13. Which of these suns have the hottest surface temperature?
A) White Sun
B) Blue Sun
C) Yellow Sun
D) Red 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) Cube
B) Irregular
C) Elliptical
D) Spiral
- 16. A supernova is a large explosion of a:
A) Star
B) Moon
C) Planet
- 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) Andromeda
C) Milky Way
D) Nebula
- 19. All electromagnetic waves travel at:
A) The speed of a bullet.
B) The speed of a Jet.
C) The speed of light.
D) The speed of sound.
- 20. The most common landforms on the moon are__________.
A) rocks
B) craters
C) lakes
D) mountians
- 21. A Nebula is a large Interstellar:
A) Cloud
B) Planet
C) Blackhole
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) 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) Megagiants
B) Supergiants
C) Giant
- 24. Which chemical element is the most abundant in the Universe?
A) Oxygen
B) Carbon
C) Iron
D) Hydrogen
- 25. Stars appear very small in the night sky because they are:
A) Light-years away
B) 1 kilometre away
C) 1000 kilometres away
D) Microscopic Stars
- 26. Approximately how long does it take light from the Sun to reach your eyes?
A) 1 hour
B) 8 minutes
C) 5 years
D) 2 days
- 27. Saturday is named after which planet in our Solar System?
A) Mercury
B) Saturn
C) Mars
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) Nebula
B) Galaxy
C) Red Giant
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) Galaxies
D) Constellations
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