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What Is Science
What Is Science
What Is Science
What Is Science
What Is Science
What Is Science
What Is Science
What Is Science
What Is Science
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What Is Science

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  1. What IS science?
  2. What is Science? <ul><li>Knowledge we use to explain ourselves and the universe </li></ul><ul><li>Early people used myths and legends </li></ul><ul><li>Greeks, Chinese and probably advanced Northern African civilizations realized that science must be based on observation </li></ul>
  3. Observations <ul><li>Only way know something is true is by observing it </li></ul>
  4. Observations <ul><li>how can you observe things? </li></ul>
  5. Observations <ul><li>how can you observe things? </li></ul><ul><li>Include all senses: see, smell, hear, touch, taste </li></ul>
  6. Observations <ul><li>Science is based on many people making the same observation many times </li></ul><ul><li>Observations are best when they can be quantified </li></ul><ul><ul><li>Quantity—can put a number on it </li></ul></ul>
  7. Measurement <ul><li>Property – characteristic—tell us something about the object </li></ul><ul><li>Properties that need to be quantified: </li></ul>
  8. Measurement <ul><li>Property – characteristic—tell us something about the object </li></ul><ul><li>Properties that need to be quantified: </li></ul><ul><ul><li>Temperature </li></ul></ul><ul><ul><li>Time </li></ul></ul><ul><ul><li>Distance </li></ul></ul><ul><ul><li>Mass </li></ul></ul><ul><ul><ul><ul><li>Weight = Mass x Gravity </li></ul></ul></ul></ul>
  9. Measurement <ul><li>2 parts of a measurement </li></ul><ul><ul><li>1. number – tells us how many </li></ul></ul><ul><ul><li>2. unit – tells what property was measured </li></ul></ul>

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