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