Term

Definition
a defined unit in a system of measurement that is based on an object or event in the physical world and is independent of other units 


Term

Definition
the amount of mass per unit volume 


Term
What is the equation for density? 

Definition


Term

Definition
a unit defined by a combination of base units 


Term
What is a conversion factor? 

Definition
a ratio of equivalent values used to express the same quantity, always equals 1 and changes the units of a quantity without changing its value 


Term
What is dimensional analysis? 

Definition
a systematic approach to problem solving that uses conversion factors to move from one unit to another 


Term

Definition
the difference between an experimental value and an accepted value 


Term

Definition


Term

Definition
the SI base unit of temperaturenot measured in degrees 


Term
What is the SI base unit for mass? 

Definition


Term
What is the metric unit of volume equal to one cubic decimeter? 

Definition


Term
What is the SI base unit for length? 

Definition


Term

Definition
the ratio of an error to an accepted value 


Term
What is the SI base unit for time? 

Definition


Term
What is scientific notation? 

Definition
a method used to express any number as a number between 1 and 10 multiplied by 10 raised to a power(exponent) an example would be 1.24 x 10^{12} 


Term
What is a significant figure? 

Definition
the number of all known digits reported in measurements plus one estimated digit 


Term
What is the equation for percent error? 

Definition


Term
How do you convert Celsius to Kelvin? 

Definition
K=273+temperature in Celsius 


Term

Definition
you divide the dependent y variable by the independent x variablerise over run 


Term
What is the difference between accuracy and precision? 

Definition
Accuracy refers to how close a measured value is to an accepted value where precision is how close a series of measurements are to one another. 


Term
When multiplying scientific notations what do you do? 

Definition
multiply the coefficients and add the exponents 


Term
What do you do in the division of numbers in scientific notation? 

Definition
divide coefficients and subtract the exponents 


Term
How many significant digits does 12.3 have? Give the rule explaining why. 

Definition
3; NonZero numbers are always significant 


Term
How many significant digits does 1098.3 have? Give the rule why. 

Definition
5; because Zeros between nonzero numbers are always significant 


Term
How many significant digits does 12.0 have? Give the rule why. 

Definition
3 because All final zeros to the right of the decimal are significant 


Term
How many significant digits does 0.0023 have? give the rule why. 

Definition
2; In a decimal number, zeros that come before the significant number are not significant 


Term
How many significant digits does 23,000 have? Give the rule why. 

Definition
2; trailing zeros without a decimal are not significant, however if the number was 23,000.0 the zeros would be significant 


Term
What determines the number of significant digits when adding, subtracting, multiplying, or dividing? 

Definition
the number with the lowest number of significant digits 


Term
How do you round 5's when there are zeros after them or no digits after? 

Definition
Round down if the digit before the 5 is even and round up if the digit before the 5 is odd 


Term
What are the 3 major types of graphs? 

Definition
Circle graph, Line Graph, and Bar Graph 


Term
What graph is useful for showing parts of a whole? 

Definition


Term
What graph is useful in showing how quantities vary across categories? 

Definition


Term
What graph is used to show the relationship between the independent variable and the dependent variable? 

Definition


Term
What is interpolation when interpreting a graph? 

Definition
it is any data points that are included on the line between the recorded points of data 


Term

Definition
extending a line beyond the plotted points in order to estimate futher data 


Term
What is the base unit for (a)temperature, (b)length, (c) mass, (d)time? 

Definition
a. Kelvin(K); b.meters(m); c. kilogram(kg); and d.seconds(s) 

