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III. Measurements

III. Measurements. SI and English Customary. A. Measurement Systems. 1. SI: International System of Units 2. EC English Customary SI prefixes milli , centi , deci , deca , hecto , kilo. B. Length. Why? Measure distance Instruments:ruler , meter stick yard stick Units: SI:meter

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III. Measurements

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  1. III. Measurements SI and English Customary

  2. A. Measurement Systems • 1. SI: International System of Units • 2. EC English Customary • SI prefixesmilli, centi, deci, deca, hecto, kilo

  3. B. Length • Why? Measure distance • Instruments:ruler, meter stick yard stick • Units: • SI:meter • EC:inch, foot, mile, yard

  4. E. Temperature • Why? How much matter is in motion  Heat • Instruments:thermometer • Units: • SI: Celsius or Kelvin • EC: Fahrenheit

  5. C. Volume • Why? How much space something takes up • Instruments:beaker, graduated cylinder, ruler • Units: • SI: liters, mL, cm3, • EC: gallon, pint, quart, cup, bushel, peck

  6. D. Mass • Why? How much matter there is • Instruments:TBB, digital scale • Units: • SI:grams • EC:pounds, ounces

  7. F. Density • Why? How heavy something is • Instruments:D=m/v, hydrometer • Units: • SI: g/mL • EC:

  8. G. Weather Instruments • Air pressure • Amount of rain • Temperature • Wind speed • Wind direction • Thermometer • Rain gauge • Wind streamer • Barometer • Anemometer

  9. IV. Scientific Method • What is it? • The process of finding an answer to a scientific question • Parts: • Observation • Research • initial hypothesis • Procedure • Variables • Data • Conclusion • further research

  10. V. Color Spectrum

  11. What color is reflected if the object is this color: • Red • Green • Blue • Black • Red light – what color are the leaves? What color is the apple?

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