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8th Grade Matter

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
A measure of the force of gravity on an object is called...   Weight  
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What is Mass?   The measurement of the amount of matter in the object  
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Why do scientists perfer to describe matter by its mass rather than its weight?   Unlike weight, mass does not change with location, even when the force of gravity on an object changes.  
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What system of units do scientists use to measure the properties of matter?   International System of Units  
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The SI unit for mass is the..   grams  
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The amount of space that matter occupies is called its..   volume  
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List 3 common units of volume.   Cubic centimeters, liter, and milliliter  
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What formula do you use to find the volume of a rectangular object?   Length x Width x Height  
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Why does a kilogram of sand take up much less space then a kilogram of feathers?   Because they have different desitys  
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What formula do you use to calculate the density of an object?   D=m/v  
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If you drop a block of iron and a block of wood into water, the iron sinks and the wood floats. What can you conclude about the density of iron and wood compared to the density of water?   The iron has a greater density then water and the wood has less density  
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