Experimental Design Vocab (Unit #1)

Experimental Design Vocab
hypothesis:  educated guess about possible relationship between 2 variables
constants:  factors that are kept the same in an investigation
Independent variable: what you change on purpose in the experiment
Dependent variable: what you are measuring in the experiment (responding)
Control:  group that is used as a comparison
Data table: chart of numerical data that organizes your data
Graphs:  visual representation of experimental data (bar or line)
Volume:  3-D space an object occupies (lxwxh)
Area: length x width
mass: amount of matter in an object
Meterstick: tool used to measure length (long distances)
Graduated cylinder:  tool used to measure liquid volume
Triple beam balance:  tool used to measure mass
Procedure:  list of steps followed during an experiment
Conclusion:  results or findings based on data collected during experiment
Metric system:  system of measurement based on units of 10
Liter:  base unit for volume of a liquid
Meter:  base unit for length
gram:  base unit for mass
Thermometer:  tool used to measure temperature

 Millimeter:  1/1000th of a meter

kilogram:  1000 grams

base units:  metric units that have no prefixes (liter, meter, gram)

temperature:  measure of how hot or cold something is

milliliter:  1/1000th of a liter

kilometer:  1000 meters

centimeter:  1/100 of a meter

ruler:  tool used to measure small distances