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| is an organized way of gathering and analyzing evidence about the natural world |
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| the act of noticing or describing events in a careful way |
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| is a logical interputation based on prior knowlege and experience |
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| possible explanation for a set of observations or possible answer to scientific question |
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| experiment in which one variable is changed |
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| factor in a controlled experiment that is deliberatley changed;also called manipulated variable |
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| group in experiment that is exposedto the same conditions as the experimental group except for one independent variable |
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| variable that is observerd and that changes in response to the independent variable;also called responding variable |
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| evidence;information gathered from observations |
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| Hydrogen Bond is the attraction between a hydrogen atom with a positive charge and another atom with a partial negative charge. |
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| Cohesion is an attraction between molecules of the same substance. |
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| Adhesion is an attraction between molecules of different substances. |
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| Mixture is a material composed of two or more elementsor compounds that are physically mixed together but not chemically combined. |
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| Solution is a type of mixture in which all the componets are evenly distributed. |
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| Solute is a substance that is dissolved in a solution. |
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| Solvent is dissolving substance in a solution. |
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| Suspensions are mixtures of water and nondissolved materials. |
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| pH Scale is a scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution. |
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| Acid is any compound that forms H+ ions in solution. |
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| Base is a compound that produces hydroxide ions in solution. |
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| Buffers are weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH. |
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| Probability is the likelihood that a particular event will occur. |
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| Homozygous is having two identiical alleles for a particular gene. |
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| Heterozygous is having two different alleles for a particular gene. |
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| Phenotype is the physical charateristic of an organism |
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| Genotype is the gentic makeup of an organism. |
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| Punnet Square is a diagram that can be used to predict the genotype and phenotype combination of a genetic cross. |
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| Independent Assortment is one of Mendels priciple that states that genes for different traits can segregate independently during the formation of gametes. |
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