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| organized set of investigations. |
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| a possible explanation for a problem using what u know or what u observed. |
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| test that effect of one thing or another using a controlled conditions. |
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| is a factor that can cause a change in the results of a experiment. |
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| changes according to the change in others. |
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| You can change to see how it affects the dependent variable. |
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| does not change when other variables change. |
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| standard by which test results can be compound. |
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| occurs when what the scientist changes how the result are viewed. |
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| represents an idea,event or object to help people. |
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| is an explanation of things or events based on knowledge gained from a observation. |
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| is a statement about what happens in nature and is true at all times. |
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| is the application of science to help people. |
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| how closely measurements are to each other. |
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| compares a measurement to the real or accepted value. |
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| the amount of space taken by an object. |
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| is the measurement of the quantity of matter in a object. |
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| is the mass per unit volume of a material. |
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| visual display of information. |
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| agricultural biotechnology |
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| is a collection of scientific techniques and genetic engineering. |
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| is a group of people that share similar values. |
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| bring technology together. |
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| design restriction factors ictions from out side factors. |
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| it use a computer to simulate stuff. |
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| full scale model of something. |
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| smaller version of something. |
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| controls an object like a remote car. |
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| type of matter with a fixed composition. |
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Term
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if all the atoms in a substance have the same
identity. |
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| ia a pure substance where atom have two or more elements. |
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| which different materials can be distinguished. |
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| contains two or more gases liquids solids. |
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| is a homogenous mixture small and cannot be seen. |
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| are particles larger in a solution. |
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| scattering of light by colloidal. |
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| motion of particle in matter. |
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| substance is a measure of average kinetic energy. |
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| kinetic and potential energies in all objects . |
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| thermal energy the flows from something higher to something lower. |
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| need to rise 1 kg with is 1 c. |
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| matter consisting of positively and negatively charged particles. |
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| substance from a solid to a liquid. |
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| is the amount of energy required for 1 kg. |
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| elements is a matter that is composed of one type. |
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| particles with 1 plus charge. |
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| particles that dont have a charge. |
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| particles with 1 neg charge. |
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Term
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| protons neutron made up of smaller particle called..... |
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Definition
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| the # of proton = atomic #. |
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| the sum of proton and neutrons in the atom. |
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| atom of the same element with different #. |
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| weight avg of the isotope. |
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| where the element are arranged. |
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| the vertical columns on the periodic table. |
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| use the symbols of the elements and dots to show a graph. |
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| the horizontal row on the periodic table |
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| tells what elements are compound. |
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| is a charged particle because it now has more or fewer. |
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| is the force that hold atoms together. |
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| attraction between opposite charges |
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| forms between atoms when they are shared. |
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| neutral particles that form as a result of electron sharing |
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| slightly pos and a slightly neg |
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Term
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| is one which electrons are shared equally |
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| one that is composed of two elements. |
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| his a compound that has water. |
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| change in which one or more substances change. |
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| is a way to describe a chemical equation. |
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| balancing chemical equations |
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Definition
| is where u balance the equations. |
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Term
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Definition
| occurs when a substance reacts with oxygen |
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Term
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Definition
| two or more substance combined. |
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Term
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Definition
| occurs when one substance breaks own |
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| single displacement reaction |
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Definition
| described by a + bc arrow ac + b |
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| double displacement reaction |
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Definition
| the pos ion in one compound replaces another. |
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Term
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Definition
| the minimum amount to start a reaction |
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Term
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Definition
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Term
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Definition
| when the energy given off reactions. |
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| is the speed a reaction occurs. |
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Term
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| it slow down chemical reaction. |
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Term
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Definition
| mixture that has the same compositions. |
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Term
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Definition
| substance that is being dissolved. |
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Term
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| the substance doing the dissolving. |
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| solution where water is the solvent. |
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Definition
| how soluble salt is in water |
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Definition
| how much solute is present. |
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| contans all the solute it can hold |
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| solution that can dissolve more solute |
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| contains more solute the a saturated. |
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Definition
| produces hydrogen ions in water solutions |
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Term
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| any substance that forms hydroxide ions. |
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| dissolves in water small percents |
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| dissociates completely in solution |
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Definition
| of a solution is measure in |
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