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12 Cards in this Set
- Front
- Back
What is mass?
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The amount of matter in an object or substance; the more matter, the greater the mass
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What is weight?
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The amount of force on an object due to gravity
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What are the main points in KMT?
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1. All matter is made up of very small particles
2. There is empty space in between particles 3. Particles are constantly moving and collide |
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What is thermal expansion?
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An increase of volume in a substance when its temperature is raised
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What is thermal contraction?
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A decrease in volume in a substance when its temperature is lowered
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What are the state changes?
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Gas condenses into liquid; liquid solidifies into a solid; solid sublimes into a gas; gas deposits into a solid; solid melts into a liquid; liquid evaporates into a gas
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What is temperature?
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A measure of the kinetic energy of the particles in a substance
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What is heat?
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Thermal energy transferred from a warmer material to a cooler material
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What is density?
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The mass of a given volume
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What are the calculations for density?
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D= M/V; M=DV; V=M/D
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What is the density of a 2 cm cubed sugar cube that has a mass of 3.18 g?
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1.59g/mL
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A 3 mL sample of oil has a mass of 2.64g. What is the density of the oil?
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.88g/mL
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