1) What is the largest planet in the solar system? a) Earth b) Neptune  c) Sun d) Jupiter 2) Which planet is known as the Red Planet? a) Saturn b) Uranus c) Mars d) Mercury 3) What is the name of the galaxy in which our solar system is located? a) Whirlpool b) Andromeda c) Triangulum d) Milky Way 4) The Sun is a __________________________. a) Planet b) Moon c) Star d) Asteroid 5) Which planet is the closest to the Sun? a) Venus b) Mars c) Mercury d) Earth 6) Which planet is known as the "Morning Star" or "Evening Star"? a) Mars b) Venus c) Mercury d) Jupiter 7) How many planets are there in the solar system? a) 12 b) 9 c) 8 d) 6 8) Which planet is called the "Blue Planet"? a) Neptune  b) mars  c) Uranus  d) Earth  9) What is the Moon? a) A planet b) An asteroid c) A star d) A natural satellite of Earth 10) Which phase of the Moon occurs when it is fully illuminated as seen from Earth? a) New Moon b) Full Moon c) Half moon d) First Quarter 11) Approximately how many days does it take for the Moon to complete one orbit around the Earth? a) 7 days b) 14 days c) 28 days d) 365 days 12) What is a star? a) A planet that orbits the Sun b) A giant ball of gas that produces light and heat c) A satellite that orbits Earth d) A small rock floating in space 13) What is the closest star to Earth? a) Sirius b) The Sun c) Alpha Centauri d) Proxima Centauri 14) Constellations are made up of stars that are connected like dots to form a __________. a) Rainbow b) Song c) Picture d) Bridge 15) The Sun is the largest planet in the solar system. a) True b) False  16) Earth is the third planet from the Sun. a) True b) False 17) Venus is the hottest planet in the solar system a) False b) True 18) Neptune is known as the "Red Planet." a) true  b) false 19) The Moon shines at night because it reflects light from the Sun. a) true b) false 20) The Moon changes shape over the month. a) true b) false  21) There are 88 different constellations that can be seen from Earth. a) true b) false 22) Ursa Major and Orion are both constellations. a) false b) true 23) Constellations can be seen during the day. a) true b) false

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