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21 Cards in this Set
- Front
- Back
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___ ___ are properties of a substance that can be determined without changing it into a different substance.
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Physical properties
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A measure of how hot or cold something is, is called ___.
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temperature
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The __ __ of a substance is the temperature at which a liquid changes into a solid.
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freezing point
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The temperature at which a liquid changes to a gas is called the __ ___.
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boiling point
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Freezing and boiling point are described using a _____ to measure the temperature.
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thermometer
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A thermometer is divided into units called _____.
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degrees
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The two most common temperature scales are ___ and ____.
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Fahrenheit and Celsius
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____ is the ability of something to be dissolved.
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Solubility
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One factor that affects solubility is ____.
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temperature
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______ something that is unable to be dissolved in water.
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Insoluble
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___ is a measure of the amount of matter something has.
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Mass
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____ is the gravitational force on an object.
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Weight
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Weight depends on ___; the more mass an object has; the greater the pull of gravity on the object.
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mass
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____ is the mass of a substance divided by its volume.
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Density
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___ can be used to identify substances; because every substance has its own ___.
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Density
density |
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Density is often measured in _________ (grams per cubic centimeter).
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g/cm3
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Density increases as a substance goes from __ to __ to ____.
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gas to liquid to solid
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____ is more dense than ___.
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solid is more dense than liquid
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Water is unusual when it freezes because it ______ instead of contracting.
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expands
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Why does ice float in water?
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Because the molecules in the ice expand, causing it to be less dense than liquid water.
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God's special provision for water is a shown how?
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When lakes and rivers freezes, they create a blanket for the water life beneath them.
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