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Definition
| the study of matter and energy |
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Definition
| the study of all forms of matter, including how matter interacts with matter |
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Definition
| anything that has mass and takes up space |
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Definition
the amount of space an object takes up
length x width x height |
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Definition
| the curve at the liquids surface by which you measure the volume of the liquid |
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Definition
| the amount of matter in and object |
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Definition
| the measure of the gravitational force on an object. the more mass an object has, the greater the gravitational force on the object's weight |
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Definition
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Definition
| the tendency of an object to resist a change in motion |
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Definition
| the rate in which a substance transfers heat |
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Definition
the physical form in which a substance exists.
-solid
-liquid
-gas
-plasma (lightning) |
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Definition
| the mass per unit volume of a substance (waters density is one of them) |
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Definition
| the ability of a substance to dissolve in another substance |
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Definition
| the ability of a substance to burn |
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Term
| some examples of physical properties of water |
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Definition
-colorless
-liquid at room temperature
-density of 1
-oderless
-melting point:0 degrees celcius
-boiling point:100 degrees celcius
-can disolve table saly and sugar |
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Term
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Definition
| the ability of two or more substances to combine and form one or more new substances |
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Definition
| when exposed to oxygen, it will not rust |
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Term
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Definition
-leaves that change in the Fall
-every time a battery is used
-everytime we eat food
-soured milk
-when hot gas is formed
-the ststue of liberty changing form orange to brown |
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Term
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Definition
| a process that takes water and breaks it up into hydrogen and oxygen gases |
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Definition
| the physical forms in which a substance can exit |
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Definition
| the state of matter that has a definite shape and volume |
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Definition
| the state of matter that has a definite volume but takes the shape of the container. |
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Definition
| the state of matter that has no definite shape or volume |
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Definition
| the change of a substance from one physical form to another |
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Definition
| states that for a fixed amount of gas at a constant temperature the volume of the gas is inversely related to pressure. |
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Term
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Definition
| States that for a fixed amount of gas at a constant pressure, the volume of the gas changes in the same way that the temperture of the temperture of the gas changes. |
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Definition
| the change of state from a solid to a liquid. (add energy to melt) |
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Definition
| the state of change of state from a gas to a liquid. the condensation point of a substance is the temperature at which the gas becomes a liquid. |
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Definition
| same temperature as the boiling point at a given pressure. |
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Definition
| the change of state in which a solid changes directly into a gas. (dry ice) |
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Term
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Definition
| a pure substance that can't become anything simpler. even by a chemical change and a physical change |
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Term
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Definition
| metals, nonmetals, metalloids |
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Term
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Definition
conduct heat, electricity, and energy. also is shiny
-mallible
-ductile
-cobalt
-iron
-nickle
-lead
-tin
-copper |
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Term
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Definition
conduct heat and electricity poorly, and are dull
-very few familiar objects are made of only nonmetals
-lodine
-sulfer
-neon |
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Term
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Definition
both properties of metals and nonmetals.
-semiconductors
-silicon
-boron
-antimony |
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Term
| 8 elements that make up the earths crust |
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Definition
oxygen 46.6%
aluminum 8.1%
iron 5%
calcium 3.6%
sodium 2.8%
potassium 2.6%
magnesium 2.1%
silicon 27.7% |
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Term
| 7 major elements of the Human Body |
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Definition
oxygen 64.6%
carbon 18%
hydrogen 10%
nitrogen 3.1%
calcium 1.9%
phosphorus 1.1%
other elements 1.3% |
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Term
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Definition
| pure substance that's composed of two or more elements that are chemically combined |
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Definition
| compounds that are found in all living things |
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Definition
| plants take in the carbon dioxide that we exhale->plants go through photosynthesis->this creates carbohydrates->it gets eaten->creates energy |
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Definition
| combination of two or more substances that are not chemically combined |
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| 4 ways to separate mixtures |
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Definition
distillation
heat
centrifuge
magnets |
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Term
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Definition
| a process that separates a mixture based on the boiling points of the components |
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Definition
| separates mixtures by the density of the components |
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Definition
| separates different types of metals |
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Definition
| can separate by evaporation |
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Definition
| a mixture that appears to be a single substance |
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Term
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Definition
not evenly mixed
-pizza
-salad |
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Term
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Definition
evenly mixed
-paint
-milk
-toothpaste
-perfume |
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Term
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Definition
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Term
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Definition
| two liquids or two gases that form a solution that is present in the largest amount will be the __________. |
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Term
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Definition
| a solution that's dissolved all the solute it can at a specific temperature. |
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Term
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Definition
| the ability of a solute to dissolve in a solvent at a specific temperature |
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Term
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Definition
a mixture in which particles of a material are dispersed throughout a liquid or a gas but are large enough that they settle
-snow globe
-medicine
-salad dressing |
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Term
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Definition
a mixture in which the particles are dispersed throughout but are not evenly enough to settle out
-milk
-mayonnaise
-jello
-whipped cream |
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