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Chapter 11 Test

Mr. Becks quiz on Chapter 11 pysical science

QuestionAnswer
Axis of rotation imaginary line through the center of the planet which it rotates
Period of Rotation the time it takes for a planet to rotate its own axis
Period of Revolution the time it takes for a planet to rotate around the sun
Ellipse oval
astronomical unit average distance from the Earth to the Sun (1 AU=149,600,000)
balanced forces a net force of zero
satellite an object that revolves around a planet
lunar phase the different appearances of the Moon
eclipse a total or partial obscuring of one celestial body by another
inner planet 4 closest planets to the sun (Mercury, Venus, Earth, and Mars)
outer planets planets that come after the asteroid belt between mars and Jupiter(Jupiter, Saturn, Neptune, and Uranus)
asteroid a rock object smaller than a planet found between the orbits of Mars and Jupiter
comet a small icy body in orbit around the sun
Meteor a solid, interplanetary particles passing through Earths atmostphere
Kepler's first law Planets Orbit the sun in Elliptical Paths
Kepler's second law Equal Area in equal time
Kepler's third law Orbital Period increases with distance to the sun(closer=faster)
Earths Orbit -closest to the sun in January -farthest in July -orbital plane is tilted at an angle
Moons motion -period of rotation is 28 days
Moons Phases As the moon revolves around earth, the illuminated portion of the moon appears to change
Lunar Eclipses when a portion of the moon is shaded from direct sunlight -earth shadow on moon
Solar Eclipses exact alignment of the Moon, Earth, and the Sun -moons shadow on earth
Mercury -closest to the sun -moves the fastest -no atmostphere
Venus -similar to Earth -no oceans -atmostphere of carbon dioxide -brightest object in the sky -243 days of period of rotation
Earth -only body with life -nitrogen and oxygen atmosphere
Mars -atmosphere of carbon dioxide, nitrogen, and argon -two small moons(Phobos and Deimos) -water ice close to the surface
Jupiter -largest planet -Galilean moons are the 4th biggest moons -more than 60 moons
Saturn -gas giant made of hydrogen and helium -rings are made of ice and rock -30 moons
Uranus -methane gas above deeper cloud layers makes it blue -rotates on its side as it orbits the sun -atmosphere is hydrogen and helium with a liquid core
Neptune -13 moons and several rings -discovered in 1846 and still hasnt made a full orbit of the sun -atmosphere is made of hydrogen, helium, and methane
Comets -had a nucleus -contains gases, dust, and bits of rock
Warmest to coldest Blue, White, yellow, and Red
Meteoroid a rock in space
Meteorite a space rock landed on earth
Gas Giants The last 4 planets made of hydrogen and helium
Dwarf Planets -Ceres, Pluto, and Eris -Ceres(2.7 AU from the Sun; Orbit is 4.6 years) -Pluto(248 year orbit: 39.2 AU) -Eris(557 year orbit)
Life Cycle of Low Mass stars nebula, main sequence, red giant, white dwarf
Life Cycle of High Mass stars Nebula, main sequence, red supergiant, supernova, A)neutron B)black hole
Created by: zsmith4028