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AcaDec

AcaDec. Science Part 1. What is the Scientific Method? Process by which science moves forward IGFED Process of several steps to properly document human knowledge & basic facts of the universe What are the SI basic units of length, time, & mass? Meters, seconds, & kilograms  respectively.

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AcaDec

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  1. AcaDec Science Part 1

  2. What is the Scientific Method? • Process by which science moves forward • IGFED • Process of several steps to properly document human knowledge & basic facts of the universe • What are the SI basic units of length, time, & mass? • Meters, seconds, & kilograms  respectively

  3. What are the basic units measurements for length, mass & time for the English system? • Feet, slug, & seconds  respectively • What is the conversion for feet to yards? • 3 feet = 1 yard • True or False:The steps in the Scientific Method are: state the problem  test the hypothesis  conclusion • False – between steps 1 & 2 – observe & collect data

  4. In the sep of observation & data collection • A. the problem is stated • B. an experiment is made to test the limits of the hypothesis • C. patterns are established, discovered, &/or examined • D. results of the experiment are carefully recorded & analyzed • C

  5. What does SI stand for in French & English? • System International (F) & International System of Units (E) • How many kilograms are in a slug? • 14.59 kg in 1 slug • How many feet are in 1 mile? • 5280 ft in 1 mile • Why is SI useful? • It allows us to change easily between different values • Standard unit of measure

  6. What system has the conversion of kg to slugs? • English • What is the SI basic unit of mass? • A. liters • B. inches • C. kilograms • D. feet • C • Quantities that only have magnitude associated with them: • scalars

  7. What is the Scientific Method? • A. generation of a hypothesis • B. process by which science moves forward • C. the study of physical science • D. analyzing & recording experimental data • B • What is the conversion of 1 inch to centimeters? • A. 1 inch = 5280m • B. 1 in = 3 cm • C. 1 in = 2.54cm • D. 1 in = 14.59 cm • C

  8. What is the difference between a scalar & a vector • Scalar – only have magnitude • Vector – magnitude & direction • What is the first step in any physical problem? • Identify units / unknown • Create a coordinate system

  9. Identify what each mean: • Mega • Kilo • Deci • Centi • Milli • Micro • 1,000,000 • 1,000 • / 10 • / 100 • / 1,000 • / 1,000,000

  10. ID each conversion • 1 in  cm? • 1 yd  ft? • 1 mile  ft? • 1 mile  m? • 1 slug  kg? • 2.54 cm • 3 ft • 5280 ft • 1609 m • 14.59 kg

  11. Things to discuss • Significant figures • Metric Conversions • Factor-label method – units & crossing off • Estimation • Quick, reasonable, basic knowledge & common sense • Adding vectors • Magnitude & direction

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