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
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