1) Which planet below is considered to be a gas giant? a) mercury b) Neptune c) venus d) Mars 2) We have seasons on Earth because? a) of Earths slow rotation b) of Earths fast revolution c) of Earths tilt on its axis d) of how close the Moon is to Earth 3) The Earth has two high tides and two low tides each day because? a) the Moons gravitational force b) Earths rotation on its axis c) Earths 23.5 degree tilt d) Earth is considered to be an inner planet 4) Which planets is closest to the Sun and thus has a fast revolution? a) Jupiter b) Saturn c) Earth d) Mercury 5) Which of these choices is known for having many moons and a ring system? a) inner planets b) outer planets c) Kuiper belt objects 6) One rotation on Earth is equal to? a) one day/24 hours b) one year/365 days c) one neap tide d) one spring tide 7) Earths atmosphere is made of 78% what? a) nitrogen b) oxygen c) helium d) hydrogen 8) Which planet is considered to be Earths twin? a) Venus b) Mars c) Mercury d) Saturn 9) Earths atmosphere is 21% what? a) helium b) nitrogen c) oxygen d) hydrogen 10) Which is an attribute that describes the inner planets? a) ring system b) fast rotation c) less dense d) more dense 11) If Earth was NOT tilted, what would be the outcome? a) we would not have different seasons b) we would not have day and night c) a day on Earth would be faster d) Earth would be to cold for life to survive 12) Which of these below is a dwarf planet and is part of the Kuiper belt? a) Saturn b) Mercury c) Pluto d) Venus 13) Where do you find the asteroid belt? a) between Venus and Mercury b) between Mars and Jupiter c) Between Earth and Mars d) between Pluto and Neptune 14) The Sun is currently burning what element? a) hydrogen b) helium c) oxygen d) nitrogen 15) Our Sun is considered to be? a) a medium sized yellow star b) a red giant c) a super nova d) a neutron star

Inner vs outer planets!

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