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19 Cards in this Set
- Front
- Back
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what change of state is directly from a solid to a gas, such as dry ice?
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sublimation
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why can a mixture be separated?
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it is not chemically combined
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how can you find the volume of an irregularly shaped object?
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water displacement.
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which state of matter has no definite shape but a definite volume? A definite shape and volume? No definite shape or volume?
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Liquid. Solid. Gas.
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List the states of matter in the order of increasing molecular vibration.
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Solid, Liquid, Gas.
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which states of matter are considered fluid?
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liquids and gases.
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In terms of density, why do objects sink in water?
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The density of the object is greater than water, 1g/ml.
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A materials resistance to flow is known as what?
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Viscosity
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A measure of how much pulling a material can withstand before breaking is it's what?
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Tensile Strength.
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A solid's ability to be pounded into thin sheets is called what?
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malleability
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A solid's ability to be drawn into thin wires is called what?
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Ductile
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The measure of the upward force a fluid exerts on an object is what?
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Buoyant force (buoyancy)
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The measure of a solid's resistance to scratching is called what?
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Hardness
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What is the hardest substance on earth?
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Diamond
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Any matter that is able to flow is called what?
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fluid
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What is the air pressure at sea level?
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14.7psi
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The buoyant force of an object equals the weight of the displaced water of that object is known as what principle?
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Archimedes Principle
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As a person goes deeper in the ocean what happens to the pressure?
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Increases
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As a person goes higher in altitude what happens to the pressure?
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Decreases
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