Studied by 4 people
Scientific Investigations
Careful data collection and analysis.
Stages
Hypothesis, predictions, experiments, conclusions.
Hypothesis
Possible explanation for an observation.
Prediction
Testable statement based on the hypothesis.
Variables
Independent, Dependent, Control.
Fair Test
Control variables must be kept constant.
Data Collection
Planning what data needs to be collected.
Sample Size
Large enough for valid conclusions, small enough to be manageable.
Risk Assessment
Identifying and reducing hazards and risks.
Processing Data
Collecting, presenting, and analyzing data.
Errors
Random, Systematic, Anomalous.
Presenting Data
Tables, Bar Charts, Graphs.
Statistics
Range, Mean, Experiment Improvements.
Drawing Conclusions
Data analysis, Correlation and Causation.
Modification of Scientific Theories
New evidence, Technological advances.
Peer Review
Scientific community checks new findings.
Models and Limitations
Representational, Descriptive, Mathematical.
Benefits and Risks
Improving quality of life, considering ethical implications.
Communicating Science
Scientists must communicate their work effectively.
Mnemonics
Using acronyms or phrases to remember concepts.
Note
Flashcard