The solar systemVersión en línea answer the questions por david archambaud 1 What is the name of our galaxy? Choose one or more answers a Alpha Centauri b The Moon c The Milky Way d Rigel 2 How many stars are there in our galaxy? a 1,000 b 100,000 c 1,000,000 d more than 10,000,000,000 3 Reorder these elements from the biggest to the smallest: Earth / galaxy / universe / Sun / Moon Written answer 4 How many types of planets are there in the Solar System? a 1 b 2 c 3 d 4 5 What is the Moon? a a planet b a natural satellite c an asteroid d a star 6 Why do the Moon and the Sun appear to be roughly the same size from the Earth? Choose one or more answers a Because the moon is 400 times smaller than the Sun b Because the Moon is 400 times closer than the Sun c Because the Moon is 400 times larger than the Sun d Because the Moon is 400 times further away than the Sun 7 In our Solar System, the smallest gas giant is... Written answer 8 In our Solar System, the largest terrestrial planet is... Written answer 9 The sun is the largest star in the universe. a True b False 10 Apart from the dwarf planets, the smallest terrestrial planet in our solar system is ... a Earth b Mercury c The Moon d Venus 11 The asteroid belt is located between the orbits of ... a The Earth and Mars b Mars and Saturn c Mars and Jupiter d Saturn and Uranus 12 How many of the Gas Giants have rings? a 1: Saturn b 2: Saturn and Uranus c 3: Saturn, Uranus and Neptune d All 4 of them: Jupiter, Saturn, Uranus and Neptune 13 What is true about Pluto? Choose one or more answers a It was discovered in 1940 b It has a perfectly round orbit c It was reclassified as a "dwarf planet" in 2006 d It is smaller than our own Moon 14 Why was Pluto reclassified as a "dwarf planet"? a Because it is Neptune's satellite b Because it doesn't have enough mass and it isn't round enough c Because it crosses inside of Neptune's orbit 15 The largest moon in the solar system is ... a Io b Ganymede c Europa d Callisto 16 Why is Venus considered as Earth's "sister" planet? Choose one or more answers a Because it is the closest planet to Earth b Because it is similar to Earth in size and mass c Because it has nearly the same gravity d Because it also has one moon e Because its atmosphere is similar to that of Earth 17 Which planets in the solar system rotate clockwise ? a The Earth b Venus c Venus and Uranus d Venus and the Earth 18 What will happen when the Sun runs out of hydrogen? Choose one or more answers a It will explode b It will start burning Helium and swell like a balloon c It will burn all its Helium then shrink into a white dwarf d It will suddenly stop shining
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