| A | B |
| scientific method | to solve a problem or understand an observed event |
| dependent variable | variable that changes in a controlled experiment |
| independent variable | the variable that is manipulated |
| hypothesis | proposed answer to a question |
| control | used for comparison in the experiment |
| scientific notation | express a value as a product of a number between 1 and 10 and a power of 10. |
| conversion factor | ratio of equal measures used to convert one unit to another. |
| line graph | changes that occur in related variables |
| accuracy | closeness of a measurement to the actual value |
| fahrenheit | measures temperature in degrees: 32 is freezing; 212 is boiling |
| celcius | temperature measured in degrees; 0 is freezing;100 is boiling |
| slope | steepness of a line |
| Kelvin | SI base unit for a temperature |
| bar graph | compares set of measurements, amounts & changes |
| circle graph | compares part to a whole |
| mass | quantity of matter in an object |
| precision | how exact a measurement is |