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KB science test 2

Ch 6 science test - part 2 KB

QuestionAnswer
solar system the sun and the objects traveling around it
planets NINE in the our solar system
orbit a path of a planet around the sun
third the number planet Earth is from the sun
year 365 days - the time it takes Earth to revolve around the sun
gravity force of attraction between the Sun and Earth
mass & distance the two measurements that gravity depends on
stronger (strength of gravity) is determined by how close two objects are
universal what Newton's ideas were called to describe gravity and its relationship to objects
Sun's gravity how the planets are kept on their orbit
inertia the tendency of an object to keep moving in a straight line
gravity + inertia what keeps planets in their orbits
Created by: bcarvajal
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