Science Jacob 8/17

analysis

a detailed study of something broken into parts for better understanding

classify

to group or organize

conclusion

a final statement that communicates the results of an investigation based on the hypothesis

data

facts and numbers used to analyze something or make decisions

dependent variable

the variable being measured in an investigation

descriptive investigation

a type of investigation involving observation or measurement, but no hypothesis

engineer

a type of scientist who studies why and how things work

experimental investigation

a type of investigation involving observation or measurement, variable, and a hypothesis

hypothesis

a prediction based on background knowledge and research

independent variable

the variable changed by a scientist in an investigation

reliable

how consistent a result is when repeated at least 3 times

scientist

a person who tries to understand how our world works through observation and investigation

testable question

a question which is able to be tested through scientific investigation

trial

a test, often repeated multiple times for validity and reliability

valid

when an experiment's results answer a question and can be accepted as true

variable

factor in an experimental investigation that are controlled, changed, observed, or measured