Created by Mikaela Staples
almost 7 years ago
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Question | Answer |
Chapter 1: science enquiry | Scientific method: |
Quantitative Data | numbers- measurement |
Qualitative Data | words- observation |
Features of graphs | 1. Title 2. Lable x and y 3. Arrows at end of axes |
Evidence | Data which is judged to be relevant. |
Secondary evidence | Data collected by someone else. |
Variables | Any factor that may change during an experiment. |
Independent variable | X- Changed or controlled to test effects on dependent variable (y) |
Dependent variable | y- Tested and measured |
Controlled variables | Variables being kept the same for both the control and the experimental groups in an experiment. |
Replication | Having a identical number of experiments running together or performing the experiment on a large number of subjects at the same time. |
Validity vs. Reliability | Validity: - reliable and relevant - must be no uncontrolled variables Reliability: - same results each time - equipment constant - Improve: repetition and replication tests this |
Errors and reducing them | Any deviation from teh result that should have been obtained. Reduce: repetition |
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