a series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions
an educated guess using what you know and what you observe
Organized procedure for testing a hypothesis; tests the effect of one thing on another under controlled conditions.
factor that can cause a change in the results of an experiment
Factor that changes as a result of changes in the other variables
Factor that, as it changes, affects the measure of another variable.
in an experiment, a variable that does not change when the other variable changes.
Standard used for comparison of tests results in an experiment
Occurs when a scientists expectations change how the result of an experiment are viewed
Visual display of information or data that can provide a quick way to communicate a lot of information and allow scientists to observe patterns.
explanation of things or events that is based on knowledge gained from many observations and investigations
a statement that describes what scientists expect to happen every time under a particular set of conditions
Mass per unit volume of a material.
describes how closely measurements are to each other and how carefully the measurements were made.
compares a measurement to the real or accepted value.
amount of space occupied by an object
amount of matter in a object
Metric System (SI)
the system of measurement used in science that is based on units of 10