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Review for test
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  1. Review for test • Observation • Prediction • Inference • Modeling • Measuring • Interpreting Graphs • Extrapolation, Interpolation

  2. Review for Test What is an observation? • using your senses to record something quantitative or qualitative about it • What are your five senses?

  3. Review for Test What is an inference? • a reasonable explanation or interpretation of your observation • Observation + prior knowledge = inference

  4. Review for Test What is a Prediction? • an inference or an explanation for a FUTURE event Are all predictions right? • What is the difference between a prediction and a guess?

  5. Review for Test Why do scientists use models? • Represent something visually for communication of idea What two types of models are their? • 2-d or 3-d. What does “d” mean When a model is exactly like the original ONLY smaller --What is that called? • Drawn to scale

  6. Review for Test - EXAMPLES What is the difference between an observation and an inference • You hear a babbling brook? (O or I) • You hear noise for two minutes? • In two days it will snow? • The temperature tomorrow will be freezing?

  7. Review for Test - EXAMPLES Observations are either objective or have bias: What is the difference? • REMINDER: Keep your opinion out of it Where do observations come from? • THE FIVE SENSES

  8. Review for Test - EXAMPLES • 7 MULTIPLE CHOICE • Predictions are reasonable or unreasonable • Predication: What do you do if they are false? • What does DATA mean? • General Lab Safety: Common Sense • Questions on Mass, Weight, Volume

  9. Review for Test - EXAMPLES • MODELING QUESTION • Interpret a Model • ONLY HINT: Review your vocabulary from that lesson!

  10. Review for Test - EXAMPLES Graphing Questions: • Interpolation and Extrapolation • Graphs will be prepared for you • What does SPF mean in sun tan lotion?