1) How many planets are there in the Solar System? a) Eight b) Eleven c) Ten 2) How is our galaxy called? a) Milky Galaxy b) The Milky Star c) The Milky Way 3) What planet is the hottest? a) Mercury b) Venus c) Earth 4) What is an asteroid? a) A big planet made of gas b) A small planet made of rock c) A small planet made of ice 5) What does the Moon orbit around? a) The Sun b) An asteroid c) The Earth 6) What is Pluto? a) A planet b) A dwarf planet c) A star 7) What do the planets of the solar system orbit around? a) The Earth b) The Sun c) Mercury 8) Which planet orbits the Sun the fastest? a) Mercury b) Venus c) Earth 9) What are comets made of? a) Ice and rock b) Rock c) Gas 10) Earth orbits the Sun in... a) 365 days b) 365 weeks c) 355 days 11) Which are the rocky planets? a) Mercury, Venus, Earth and Mars b) Mercury, Venus, Mars and Jupiter c) Mercury, Earth, Jupiter and Neptune 12) Venus is the smallest planet in the solar system. a) True b) False 13) Earth is the fourth planet from the Sun. a) True b) False 14) Mercury... a) Orbits the Sun fast, but rotates slowly. b) Orbits the Sun slowly, but rotates fast. c) Does not rotate around itself. 15) How many dwarfs planets are there in the solar system? a) Two b) Three c) Five

The Solar System

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