Units and Measurements
Anything that has mass and takes up space
Matter
This is used to write very small and very big numbers in science.
Scientific Notation
Describes how close a measurement is to the true value.
Accuracy
3000
1 sig fig
Which type of graph is best used when there are two variables
Line graph
Equal to the mass of an object multiplied by the force of gravity
Weight
100
1 x102
Describes how close a group of measurements are to each other
Precision
205,302
6 sig figs
Which type of graph is best used when a quantity varies across different categories?
Bar Graph
Unit based on object or event in the physical world
Base Unit
3.45 x 10-3
.00345
The difference between the measured and accepted values
error
1.45 x 103
3 sig figs
Which type of graph is best used to show parts of a whole?
Pie/Circle graph
SI base unit of temperature
Kelvin
0.00911
9.11 x 10-3
Ratio of the error to the accepted value
percent error
1,200
2 sig figs
Extendending the graph into the future is called this.
Extrapolation
This unit is derived and is measured in cubic decimeters or cubic centimeters.
Volume
301,723
3.01 x 105
4.278 x 1012
4 sig figs
1.000 x 104
4 sig figs
"As one variable increases, the other decreases" gives what type of slope?
Negative