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Choice 4
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(Terrestrial Planets.)
Planets
Mercury, Venus, Earth, and Mars
are called
Row 1, Col 1
(gas
planets)
Planets
Jupiter, Saturn, Uranus, and
Neptune are called ____
1,2
(Pluto)
- Dwarf Planet
-rocky surrounded by water ice
-Surface has methane and nitrogen
- 3+ 1 moons Charon, Nix, Hydra
-Icy and Rocky
-Crosses other planets path for 20 years
--Rotation retrograde (East to west)
-Located at beginning of Kuiper belt
1,3
(Planet)
A massive object orbiting a star
Like sun and has cleared
neighborhood
Around its orbit and has enough
Mass to form spherical shape.
1,4
(Geocentric system)
Ancient system for classifying that
-Planets and moon orbit earth
-Earth at the center of the planets.
2,1
(Heliocentric)
•Copernicus system for classifying that :
•Earth and the other planets orbit the sun
•Sun is at the center of planet
•Evidence: Moons of Jupiter
•Phases of Venus
2,2
(
Rotation )
The spinning of Earth on
its axis that causes day and night
is called…
2,3
(Revolution)
The movement of one object
around another in an orbit that
completes a year is called…
2,4
(Retrograde Rotation)
Backward rotation of planets
Venus,Uranus,and dwarf planet
Pluto
from East to West is called…
3,1
(Asteroids.)
-Irregular Shaped, cratered
-Orbit sun between Jupiter and Mars
-Rotate erratically
-Too small to be considered planet
-Carbonaceous, Silicaneous
Metallic
3,2
(Comet)
-Long haired objects
-Appear from beyond Neptune
--Chunks of ice and dust
-Size of mountain
-Nucleus, coma, tail
-Very long narrow ellipse
3,3
(Meteors)
Origin from asteroids, Comets
-Look like stones
-Mostly Nickel and heavy for size
-Shooting stars
-Travel through space
3,4
(Mercury)
-Rocky, craters
-Almost no atmosphere
(trace of Sodium)
-Moves quickly
-Extreme variation in temperature
4,1
(Venus)
-Thick toxic atmosphere of CO2
With clouds of sulfuric acid
-Rocky bright planet in evening sky
-Closest to Earth in size, gravity, rock composition
-Retrograde Rotation(backward)
East to West
-Greenhouse effect,
-Active volcanoes
4,2
(Earth)
-blue, solid, rocky
-has life and water
-has seasons because its axis is tilted
at 23.5 degrees from vertical
4,3
(Mars)
Two moons:Phobos, Deimos
-Red rocky planet
-Red dust windstorms
-Seasons
-Temperature below zero most times
-Polar ice caps (Frozen water and CO2)
-Volcanoes and canyons
-Thin atmosphere mostly CO2
-Evidence of flowing water
4,4
(Jupiter)
-Largest planet
-Atmospheric pressure very high
-Hydrogen, Helium, Methane, Ammonia
-density only 1.3 g/cm3
-around 64 moons (Io, Europa)
-Massive with colorful bands
-Great Red spot: massive storm
-Moon Europa may support life
5,1
(Saturn.)
-Atmosphere mostly Hydrogen
and Helium
-around 60 moons (Titan)
-Thousands of beautiful rings
-Rings made of ice,rock
-least dense planet
-planetary storms
-Titan its moon has nitrogen, and
pressure like Earth (Hope for life)
5,2
(Uranus)
-Atmosphere mostly Hydrogen, Helium,
Trace of ammonia, water
-About 27 moons (Oberon, Titania)
-Axis 90 degrees off vertical
-Retrograde Rotation (Top to bottom)
-Ice giant
-Magnetic field tipped over
-Two sets of rings
5,3
(Neptune)
-atmosphere contains visible clouds
-13 moons (Triton)
-Vivid brighter blue
-Dark, cold, whipped by supersonic winds
-Great dark spot (Storm)
Six rings
-located through math prediction
-orbit nearly perfect circle
-Orbit furthest for 20 years
5,4