


a logical apporach to solving problems by observing and collecting data, formulating hypotheses, testing hypotheses, and fromulating theories that are supported by data 


a specific portion of matter in a given region of space that has been selected for study during an experiment or observation 


a broad generalization that explains a body of facts or phenomena 


an explanation of how phenomena occur and how data or events are related 


a ratio derivied from equality between two different units that can be used to convert from one unit to the other 


the ratio of mass to volume or mass divided by volme 

SI ( Le Systeme Iternational d’ unites) 

the measurement system accepted worldwide 


the amount of space occupied by an object 


a measure of the gravitational pull on matter 


something that has magnitude, size, or amount 


a unit that is a combination of SI base units 


the closeness of measurements to the correct or accepted value of the quanity measured 


two quantities that give a constant value when ine is divided by the other 


two quantities thathave a constant mathematical product 


a value calculated by subtracting the experimental value from the accepted value, dividing the difference by the accepted value and then multiplying by 100 


the closeness of a set of measurmets of the same quanity made in the same way 


any digit in a measurement thst is known with certanity plus one final digit, which is somewhat uncertain or is estimated 


a logcal appoach to sloving problems by observing and colleting data, formulating hypotheses, testing, hypotheses, and formulating theories that are supported by data 
