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Science Chapter 7

QuestionAnswer
Geocentric Earth centered model
Heliocentric A sun centered model
Ellipse An oval shape
Solar System Consist of the sun, planets, their moons and a variety of smaller objects.
Planet Celestial body that has an elliptical orbit around the sun
Dwarf Planet Is an object that orbits the sun and has enough gravity to be spherical, and not cleared the area for orbit.
Core Central Region
Nuclear Fusion Hydrogen atoms join to form heleium
Greenhouse Effect Trapping heat in the atmosphere
Gas Giant large planet of relatively low density consisting predominantly of hydrogen and helium
Ring A thin disk of small particles of ice and rock
Asteroid Belt A region between Mars and Jupiter
Comet Loose collections of ice, dust, and small rocky particles, with a very long, narrow eclipse
Asteriod Rocky objects which are to small and to numerous to be dwarf planets.
Meteoriod Chunks of rock of dust smaller than asteroids.
Meteor The streak of light produced when a meteoroid passes through earths atmosphere
Meteorite Meteoroids that pass through the atmosphere and are found on Earths surface.
Created by: mcdowell_jenna