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Scatter: Science Chapter 5 Study Guide

physical property
any characteristic of matter that can be observed without changing the identity of the material
density
the amount of mass in a given volume
D=m/v
formula for finding density
state of matter
tells whether a sample of matter is a solid, a liquid, or a gas
size independent property
physical properties do not change when the size of an object changes
size dependent property
physical properties change when the size of an object changes
examples that depend
length width height volume and mass
independent examples
density color and state
pH scale of acids
ranges from 0 to 7.0
pH scale of bases
above 7.0
neutral
pH of exactly 7
acids
car batteries, citrus fruit, paint, pickles, asprin, soda drinks, and vinegar
bases
ammonia, soap, toothepaste, shampoo, antacids(tums), and milk
physical properties of acids
smell sharp, taste sour, pH below 7
physical properties of bases
slippery, taste bitter, pH above 7
chemical property
a characteristic of matter that allowa it to change to a different type of matter
reactivity
how easily one thing reacts with something else
salts
compounds made of a metal and nonmetal that are formed when acids and bases react
physical change
any change in size shape, form, or state where the identity of the matter stays the same
examples of physical change
a solid becoming a liquid(icecream), water vapor in the air changes to liquid when dew forms, liwuid water changes to a gas when it evaporates from your skin as persperation
chemical change
occurs when one type of matter changes into a different type of matter with different properties
examples of chemical change
copper forming a green coating, silver tarnishing,or iron rusting
signs of chemical change
the release or absorption of energy in the form of light, heat, or sound, the formation of a gas or a solid that is not the result of a change of state
physical weathering
a physical change that is responsible for much of the shape of Earth's surface
chemical weathering
the process by which rocks are decomposed, dissolved, or loosened by chemical processes to form residual materials
examples of physical weathering
soil,
examples of chemical weathering
cave formations

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acidscar batteries, citrus fruit, paint, pickles, asprin, soda drinks, and vinegar
basesammonia, soap, toothepaste, shampoo, antacids(tums), and milk
chemical changeoccurs when one type of matter changes into a different type of matter with different properties
chemical propertya characteristic of matter that allowa it to change to a different type of matter
chemical weatheringthe process by which rocks are decomposed, dissolved, or loosened by chemical processes to form residual materials
D=m/vformula for finding density
densitythe amount of mass in a given volume
examples of chemical changecopper forming a green coating, silver tarnishing,or iron rusting
examples of chemical weatheringcave formations
examples of physical changea solid becoming a liquid(icecream), water vapor in the air changes to liquid when dew forms, liwuid water changes to a gas when it evaporates from your skin as persperation
examples of physical weatheringsoil,
examples that dependlength width height volume and mass
independent examplesdensity color and state
neutralpH of exactly 7
pH scale of acidsranges from 0 to 7.0
pH scale of basesabove 7.0
physical changeany change in size shape, form, or state where the identity of the matter stays the same
physical properties of acidssmell sharp, taste sour, pH below 7
physical properties of basesslippery, taste bitter, pH above 7
physical propertyany characteristic of matter that can be observed without changing the identity of the material
physical weatheringa physical change that is responsible for much of the shape of Earth's surface
reactivityhow easily one thing reacts with something else
saltscompounds made of a metal and nonmetal that are formed when acids and bases react
signs of chemical changethe release or absorption of energy in the form of light, heat, or sound, the formation of a gas or a solid that is not the result of a change of state
size dependent propertyphysical properties change when the size of an object changes
size independent propertyphysical properties do not change when the size of an object changes
state of mattertells whether a sample of matter is a solid, a liquid, or a gas
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