A theory is best described as 

generalization that explains a body of known facts or phenomena 



the standard base unit for mass is 


symbol that represents volume



A change in force of gravity on an object will affect 


What statement is true about mass 

mass of an object is determined by comparing it to an object of known mass 



What is true about density 

density is a physical property 

measurement that closely agrees with an accepted value 


numerical result is said to have good precision if 

repeated values agree closely 

if values for x and y vary as an inverse proportion 

their product is a constant 

the graph of 2 variables that are directly proportional to one another is 






The number of grams equal to .5kg is 


A chemist obtained values 5.2246g 5.2353g and 5.2501g for the mass sample. without knowin the true mass these value have 


Which of these measurements has been expressed in sig fig? 


When 5.7m is divided by 2s the quotient is correctly reported as 


How would .00930m be expressed in scientific notation 


An analytical balanc can measur mass to the nearest .0001g. In scientific notation the accuracy of the balance would be expressed as 

