Astronomy 2 Crossword
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Down:
1) lots of craters, long days, smallest, orbits fastest, no moon2) Planets form.4) Density that is less than 1 will __________ in water.5) _______________ keeps temperatures on a planet more stable.6) Every second, 4,000,000 tons of solar matter is converted into ____________.7) Farthest, Uranus' twin, strongest winds, coldest, 13 moons8) As the distance between 2 objects increases, the force of gravity ___________.9) Jupiter's twin, second largest, 60 moons11) Gas giants have more moons because larger mass allow for greater ________________ to attract moons.12) Objects that are _____________ have greater force than objects farther apart.16) contains comets17) When did the solar system form?23) Liquid water, highest surface gravity, 1 moon, photosynthesis25) largest, highest surface gravity, fastest rotation, high wind speed, 63 moons27) made of ice, rock and dust (dirty snow ball), has a tail30) largest small bodies |
Across:
1) Objects with greater ____________ have greater force.3) Sun forms in center. Nuclear fusion begins. A star is born!10) There are up to a _______________ small bodies in our solar system.13) Gravity and _____________ keep the planets in motion.14) blue green color due to methane, titled at 98 degrees, 27 moons15) The sun's gravity keeps planet in ____________.18) The sun is 74% H, 25% He, 1% other _____________.19) Distance of a planet from the sun to the time it takes to revolve is related.20) bright streak as meteoroid burns from friction in atmosphere21) made of hdydrocarbons22) small, dense, rocky, hot, closest to the sun24) Planetary orbits are ellipses (oval orbits) with the sun at one focus26) Planets move faster when closer to the sun.28) Earth's twin, highest surface temperature, closes to Earth, no moon29) Density that is greater than 1 will ___________ in water.31) Gravity causes solar nebula to collapse toward dense, hot, rotating protostellar disk.32) contains dwarf planets, asteroids, and meteoroids33) Red planet (iron oxide), 2 moons, thin atmosphere34) contains Kuiper belt objects, dwarf planets, comets, asteroids35) large, gaseous, cold, rings, rotate faster, many moons36) Planetesimals form.37) made of stony-silicate minerals, iron, and nickel |
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