01- The Universe and the solar system
  • 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) 14.000 millions of years
B) 15.000 years
C) One million of year
  • 3. The solar system has ____ planets
A) 7
B) 12
C) 9
D) 8
  • 4. The prefix geo means..
A) Estrella (star)
B) Luna (Moon)
C) Tierra (Earth)
D) Sol (Sun)
  • 5. The prefix helio means...?
A) Tierra (Earth)
B) Luna (Moon)
C) Sol (Sun)
D) Estrella (star)
  • 6. Match the concept Geocentric with one of the next scientists
A) Copernico
B) Newton
C) Ptolomeo
D) Galileo
  • 7. Match the concept heliocentric with one of the next scientists
A) Arquimedes
B) Galileo
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 Kinetic theory
B) The Quantum 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) 300.000 km/s
B) 1000 km/h
C) 340 m/s
D) 40.000 km/h
  • 11. The space traversed by light during one year is called
A) One astronomic unit (A.U.)
B) One light-year
C) One match-year
D) Light speed
  • 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 9 minutes
B) About 90 minutes
C) About 900 minutes
  • 13. Our galaxy is know as...
A) The milky way
B) Andromeda
C) Black hole
D) Orion
  • 14. The sun's energy comes from _______ fusion reactions
A) Helium (He)
B) Carbon (C)
C) Hidrogen (H)
D) Uranium (U)
  • 15. It is estimated that the temperature inside the sun (in the core) reaches...
A) 6.000 ºC
B) 15.000.000 ºC
C) 300.000 ºC
D) 40.000 ºC
  • 16. The motion of a planet around its AXIS is called...
A) Rotation
B) Traslacion
C) Turn
D) Revolution
  • 17. The motion of a planet around the SUN is called...
A) Revolution
B) Traslation
C) Turn
D) Rotation
  • 18. Mercury, Venus, Earth, Mars are rocky planets and all of them are called...
A) Outer planets
B) Small planets
C) Inner planets
D) Asteroids
  • 19. Jupiter, Saturn, Uranus and Neptune are liquid or gaseous and all of them are called...
A) Inner planets
B) Astronomic planets
C) Big planets
D) Outer planets
  • 20. All the planets except _________ and ________ have satellites (one or more)
A) Mars and Venus
B) Mercury and Venus
C) Uranus and Neptun
D) Saturn and Jupiter
  • 21. The nearest star to Earth (apart from the sun) is called _______
A) Betelgeuse
B) Orion
C) Andromeda
D) Proxima Centauri
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