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science words 44
Question | Answer |
---|---|
SCIENTIFIC PROBLEM | asking a scientific question. the first step in the scientific method (process) |
EXPERIMENT | to test a hypothesis by using a controlled set of steps (procedure) |
EXPERIMENTAL GROUP | the group (or individual) experiment on by changing ONE variable. EG: plant experiment with number. 1 gets water, 1 gets monster. moster plant is experimental group! |
CONCLUSION | after you analyze results in an experiment you determine your results. you then formulate an answer(conclusion) |
RESEARCH | use books,people,internet,etc to find information about a (scientific)problem. |
EVALUATE | to judge the value, importance or quality of something |
IDENTIFY | determine the name of something |
INDEPENDENT VARIABLE | variable you change on purpose |
CONTROL GROUP | "norm" group in an experiment the variable is unchanged. use to compare. |
DATA | facts,figures and other evidence gathered through observations. qualitative or quantitative. |
PRECISE | exact measurements. to at least the hundredths place. 1.7632 seconds |
ACCURATE | measurement that is correct. if the actual measure is 1,7632 yo should not have 6. |
THEORY | a scientific idea that has not been proven wrong so is generally accepted as correct. |
DEPENDENT VARIABLE | the variable that changes depending on what has happened to the independent variable. |
CROSS CONTAMINATION | accidental corruption of data which causes results to be invalid. |
PYSICAL CHANGE | a change of matter from one form to another |
PHYSICAL PROPERTY | a characteristic that doesn't involve a chemical change |
DENSITY | the ratio of mass of a change to a substance |
CHEMICAL PROPERTY | a property of matter that describes a substance's ability to participate in chemical reactions. |
CHEMICAL CAHNGE | a change that occurs when one or more substances change into entirely new substances with different properties. |
COMPOSITION | type of matter that makes up the object and the way that matter is arranged in the object. |
REACTIVITY | the rate at which a chemical substance tends to undergo a chemical reaction |
FLAMABILITY | is the ability of a substance to burn. |