intro vocab- Flashcards
Science
The use of knowledge and understanding in the natural world following a systematic methodology based on evidence
Technology
The use of science to satisfy/meet human needs
Scientific theory
A tested and supported possible explanation of a natural event
- explains why something happens
Scientific law
A summary or description of an observed natural event
- explains what happens
Model
A representation of an object or event that is studied
Scientific method
A set of organized steps followed by scientists to solve problems
Hypothesis
An educated guess made using data that can be tested in an experiment
Experiment
An organized procedure created and executed to test a hypothesis
Observation
Process of using senses to gather info
Conclusion
Final decision made after completing the experiment to sum up the results
Control
Standard for comparison
-factor you compare others factors with to get answers
IV
Variable that is changed only by the experimenter
DV
Variable that is only changed by the IV
- data that is measured
Constant
A factor that is kept the same throughout the experiment
Math variable
A symbol that represent an unknown value in an equation