1) What do we call a rock that burns as it enters the Earth's atmosphere? a) meteor b) asteroid c) comet 2) What are the hunks of dirt and ice (dirty snowballs) that are closer to the sun and look like they have a hairy tail? a) meteor b) asteroid c) comet 3) What are the rocky objects that orbit the sun? a) meteor b) asteroid c) comet 4) Do all planets revolve around the sun at the same speed? a) yes b) no 5) Do planets revolve around the sun in a perfect circle (same distance from the sun all the time)? a) yes b) no 6) The four planets closest to the sun are a) rocky/terrestrial b) gassy 7) The four planets furthest from the sun are a) rocky/terrestrial b) gassy 8) The asteroid belt is an area with lots of asteroids floating around. It is between which two planets? a) Mars and Earth b) Jupiter and Mars c) Uranus and Neptune 9) What can be found between the the first four (terrestrial) planets and last four (gassy planets)? a) the ring of fire b) emptiness c) asteroid belt 10) Name the planets in order from the sun. a) mercury, venus, earth, mars, jupiter, saturn, uranus, neptune b) mars, venus, earth, saturn, jupiter, uranus, neptune c) neptune, uranus, saturn, jupiter, mars, earth, venus, mercury 11) Mercury is the closest to the sun. Because of this, it has less distance to travel and can revolve around the sun___________ than Neptune a) slower b) faster c) same 12) Neptune is super far away from the sun so it has a long distance to travel around the sun. It takes ___________ than Earth to revolve around the sun. a) longer b) shorter c) same 13) What is the largest planet in our solar system? a) Saturn b) Jupiter c) Earth 14) Why has Pluto been reclassified as a dwarf planet? a) It has the name of Mickey Mouse's dog b) It has too many things to bump into as it orbits the sun (no clear path) c) It is super small 15) Because orbital paths are not perfect circles... a) planets are always the same distance from the sun b) planets are not always the same distance from the sun c) we don't know how far planets are from the sun 16) Which terrestrial (rocky) planet is super great because it has oxygen and water, a single moon and can support life? a) Earth b) Mars c) Mercury 17) Which gas giant has multiple moons, and is the largest in the solar system? a) Earth b) Jupiter c) Saturn 18) The first four planets (closest to the sun) are a) inner/rocky/terrestrial b) gas giants/outer c) outer/gassy/belt planets 19) The four planets furthest away from the sun are a) inner/rocky/terrestrail b) outer/gassy c) inner/gassy/belt planets

Solar System

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