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16 Cards in this Set
- Front
- Back
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how are weight and mass different?
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weight is the measure of the force of gravity. mass is the measure of the amount of matter.
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what would your weight on the moon be?
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about 1/6 of your weight on earth.
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why is mass a physical property?
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the mass of an object will not change even if you change the location of the object.
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what is volume?
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the amount of space that matter occupies.
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what has volume?
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anything that takes up space.
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what are common units of volume?
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liter, milliliter, and cubic centimeter.
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how do you calculate of volume?
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volume=lenght x width x hieght
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how is density determined?
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density= mass divided by volume
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what is the difference between volume and density?
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matter is the amount of space in volume. density is the mass of material in volume.
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what system do scientits use to measure the properties of matter?
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the international system of units "SI"
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what is the "SI" unit of mass?
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kilograms
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why do some objects sink in water?
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objects with density greater than water will sink.
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how can you tell if something will sink?
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it will sink if the density is greater than the water.
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could you use density to determine if an unknown substance is gold?
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YES!
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how do you multiply units?
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units= cm x cm x cm=cm3
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do gasses have volume?
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yes
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