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Chapter 1

컨트롤 버튼이 '내비게이션' 모드로 변경되었습니다.
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이 집합의 용어 (10)

  • Nanoscience

    production and study of structure that have atleast 1D between 1-100 nm

  • Fuel Cells

    device that uses fuel such as hydrogen to produce electricity

  • Qualitative Observations

    What you can see

  • Quantitative Observations

    What you are able to count ( always exact numbers)

  • mass vs weight

    mass: amount of matter in a object

    weight: measures the force in which gravity pulls on an object

  • Density

    intensive property relating mass of an object to a volume

  • energy

    capacity to do work or supply heat

  • intensive property

    doesnt depend on amount of matter present

    ( ex: density )

  • Accuracy

    how CLOSE you are to a value

  • Precision

    How well a number of measurements agree w eachother