1) What is Mars commonly known as? a) Blue Planet b) Red Planet c) Green Planet d) White Planet 2) What gives Mars its red color? a) Iron oxide (rust) in the soil b) Volcanic activity c) Ice on the surface d) Water in the atmosphere 3) What is the radius of Mars in miles? a) 1,000 miles b) 4,000 miles c) 3,000 miles d) 2,106 miles 4) How many kilometers is the radius of Mars? a) 3,390 kilometers b) 1,500 kilometers c) 2,500 kilometers d) 5,000 kilometers 5) Mars is the __________ planet in the solar system. a) Largest b) Most distant c) Second smallest d) Second largest 6) How does the size of Mars compare to Earth? a) Mars is about the same size as Earth b) Mars is about twice the size of Earth c) Mars is about half the size of Earth d) Mars is much smaller than Earth 7) Mars is named after which Roman god? a) Jupiter b) Mars c) Saturn d) Neptune 8) What is the average temperature on Mars? a) 50 degrees Fahrenheit b) Minus 80 degrees Fahrenheit c) 0 degrees Fahrenheit d) Minus 10 degrees Fahrenheit 9) What is the average temperature on Mars in Celsius? a) Minus 60 degrees Celsius b) Minus 30 degrees Celsius c) Minus 10 degrees Celsius d) 0 degrees Celsius 10) How many moons does Mars have? a) 3 b) 4 c) 2 d) 5 11) What are the names of Mars' moons? a) Io and Ganymede b) Callisto and Oberon c) Titan and Europa d) Deimos and Phobos

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