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ILS 2012 gravity

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Gravity   not the same everywhere, depends on mass and distance, mass directly, distance inversely  
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Weightless   gravity is still present  
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Mass   amount of matter in an object  
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Volume   amount of space an object takes up  
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Eccentricity   length of an ellipse  
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Force/Weight   SI unit is Newtons, mass times gravity, weight decreases as you get farther away from Earth  
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Inertia   property of matter that resists change in motion, move in straight lines  
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Ellipse   shape of a planet’s orbit  
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Orbit   caused by gravity and inertia  
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Sun   orbited by planets and comets, formed by most of the mass from the solar nebula  
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Tides   caused by gravity from sun and moon  
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Jupiter   largest diameter  
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Planets and characteristics (project cards)   temperature, diameter, moons, tilt of axis, composition, revolution  
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Heliocentric/ Geocentric   Sun centered, Earth centered  
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Orbit diagram    
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Created by: evroman
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