- 1. The circumference of the Earth at the equator is about
A) 6.000 km
B) 40.000 km
C) 300.000 km
- 2. The age of the Universe is estimated in about
A) One million of year
B) 14.000 millions of years
C) 15.000 years
- 3. The solar system has ____ planets
A) 7
B) 9
C) 8
D) 12
- 4. The prefix geo means..
A) Tierra (Earth)
B) Estrella (star)
C) Luna (Moon)
D) Sol (Sun)
- 5. The prefix helio means...?
A) Luna (Moon)
B) Estrella (star)
C) Tierra (Earth)
D) Sol (Sun)
- 6. Match the concept Geocentric with one of the next scientists
A) Galileo
B) Copernico
C) Ptolomeo
D) Newton
- 7. Match the concept heliocentric with one of the next scientists
A) Galileo
B) Arquimedes
C) Copernico
D) Ptolomeo
- 8. The theory that affirm the Universe was created by a great explosion at the beginning of the time is known as...
A) The Quantum theory
B) The Kinetic theory
C) The Big Bang theory
D) The Atomic theory
- 9. You are doing it very well. Encourage. Go ahead !
Write down your:
* Birthday date (day-month)
- 10. The speed of the light in the vacuum is...
A) 340 m/s
B) 1000 km/h
C) 300.000 km/s
D) 40.000 km/h
- 11. The space traversed by light during one year is called
A) Light speed
B) One light-year
C) One match-year
D) One astronomic unit (A.U.)
- 12. If light travels at 300,000 km per second, how much (in minutes) the sunlight takes to reach the earth surface?
DATA: Distance Sun-Earth=150 millions of km
A) About 900 minutes
B) About 9 minutes
C) About 90 minutes
- 13. Our galaxy is know as...
A) Andromeda
B) Black hole
C) The milky way
D) Orion
- 14. The sun's energy comes from _______ fusion reactions
A) Carbon (C)
B) Helium (He)
C) Uranium (U)
D) Hidrogen (H)
- 15. It is estimated that the temperature inside the sun (in the core) reaches...
A) 300.000 ºC
B) 40.000 ºC
C) 6.000 ºC
D) 15.000.000 ºC
- 16. The motion of a planet around its AXIS is called...
A) Turn
B) Revolution
C) Rotation
D) Traslacion
- 17. The motion of a planet around the SUN is called...
A) Revolution
B) Turn
C) Traslation
D) Rotation
- 18. Mercury, Venus, Earth, Mars are rocky planets and all of them are called...
A) Outer planets
B) Inner planets
C) Small planets
D) Asteroids
- 19. Jupiter, Saturn, Uranus and Neptune are liquid or gaseous and all of them are called...
A) Outer planets
B) Big planets
C) Astronomic planets
D) Inner planets
- 20. All the planets except _________ and ________ have satellites (one or more)
A) Saturn and Jupiter
B) Mars and Venus
C) Uranus and Neptun
D) Mercury and Venus
- 21. The nearest star to Earth (apart from the sun) is called _______
A) Proxima Centauri
B) Betelgeuse
C) Orion
D) Andromeda
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