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Solar System

Key terms & Study material for solar system quiz

TermDefinition
The model of the solar system that places the sun and planets revolving around the Earth Geocentric
The model of the solar system that places the planets orbiting around the sun Heliocentric
Another name for the four inner planets, that all have solid, rocky surfaces Terrestrial Planets
An oval pattern Ellipse
The trapping of heat by certain gasses in the atmosphere Greenhouse Effect
Another name for the four outer planets, which are composed of different gasses Gas Giants
A collection of ice, gas, & dust, in a long, elliptical orbit around the sun Comet
A doughnut shaped region from Pluto to about 100 times Earth’s distance from the sun Kuiper Belt
Rocky objects orbiting the sun, that are too small & numerous to be called planets Asteroids
A chunk of rock & dust in space Meteoroid
A streak of light caused by a meteoroid burning up in the Earth’s atmosphere Meteor
The piece of a meteoroid that hits the Earth’s surface Meteorite
The astronomer who developed the Heliocentric model and determined the order of the planets Copernicus
Which two discoveries did Galileo make with his telescope, that he used to support the Heliocentric model of the solar system? Moons around Jupiter and the Phases of Venus
What two gasses make up most of the sun and the Gas Giants? Hydrogen & Helium
The largest planet in the solar system Jupiter
Which planet was discovered by a mathematical calculation Neptune
The Red Planet Mars
The only planet to have liquid water Earth
This planet spins backwards Venus
What is the Great Red Spot on Jupiter? A giant storm the size of the Earth
Which planet is tilted almost on its side? Uranus
The most interesting feature that Saturn is know for It’s rings
Which planet has the greatest range in temperature? Mercury
The hottest planet in the solar system Venus
Which two planets are tilted on their axis and have different seasons? Earth & Mars
The smallest planet in the solar system Mercury
Which planet was “demoted” to the status of a dwarf planet? Pluto
Why was the stats of Pluto changed? Pluto is part of the Kuiper Belt, and there are many nearby objects in its path
What are the characteristics of a Planet? Round; Orbits the sun, but not a satellite; has cleared its path of other objects
Where is the asteroid belt located? Between Mars & Jupiter
Name the two major parts of a comet Head & Tail
Created by: 6thGradeScience
 

 



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