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Review of unit 1 - Scientific activity

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    Review of unit 1
  •   Study   Slideshow
  • What is the SI unit of time and its symbol?
    second - s
  •  10
  • Speed, is it a fundamental magnitude or a derivative magnitude?
    Derivative magnitude
  •  10
  • What is a graduated cylinder used for?
    To measure volumes / Para medir volúmenes
  •  15
  • Express in scientific notation the following number: 0.0000268
    2.68 · 10^-5 / two point sixty eight times ten to the power of minus five
  •  15
  • Express in International System unit using the conversion factors: 1300 mm2
    0.0013 m2
  •  15
  • To which stage of the scientific method does this sentence refer?: In this step, scientists design a procedure to see if their idea or prediction is correct.
    Experimentation
  •  10
  • Does the equation F=m·a correspond to a scientific law or a scientific theory?
    Scientific law --> Newton's laws
  •  10
  • Change the following unit using conversion factors: 9000 dm3 to dam3
    0.009 dam3
  •  15
  • Change the following unit using conversion factors: 4h to min
    240 min
  •  15
  • What is the SI unit of temperature and its symbol?
    Kelvin, K
  •  10
  • What does the following hazard pictogram mean?
    Flammable / inflamable
  •  10
  • What does the following hazard pictogram mean?
    Dangerous to the environment / peligroso para el medio ambiente
  •  10
  • What does the following hazard pictogram mean?
    Corrosive / corrosivo
  •  10
  • What does the following hazard pictogram mean?
    Gas under pressure / Gas bajo presión
  •  10
  • What is the name of this laboratory instrument?
    Erlenmeyer flask / matraz erlenmeyer
  •  10
  • What is the name of this laboratory instrument?
    Beaker / vaso de precipitados
  •  10