Dr. Overy's KBase: Resources for Teaching and Learning
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Glossary

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  • Vector
    A vector is a quantity which has direction as well as magnitude.
  • Vector quantities
    Vectors are quantities that are fully described by both a magnitude and a direction
  • Velocity
    The rate of change of displacement with respect to time.
  • venomous
    capable of injecting venom by means of a bite or sting
  • Virus
    A microorganism that is smaller than a bacterium that cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself.
  • Viruses
    Infective agents that typically consist of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
  • Visual Pollution
    An aesthetic issue and refers to the impacts of pollution that impair one's ability to enjoy a vista or view. Visual pollution disturbs the visual areas of people by creating negative changes in the natural environment. Examples could include: the presence of overhead power lines, motorway billboards, scarred landforms , open storage of trash, and municipal solid waste .
  • Waste
    Garbage, trash, rubbish
  • Water Pollution
    Water pollution is the contamination of water bodies such as lakes, rivers, and oceans.
  • Watt
    A unit of power .  Rate of working of 1 Joule per second.
  • Western Diamondback
    A venomous rattlesnake species found in the United States and Mexico.
  • Wilderness
    Land remaining in an undisturbed condition, with few if any traces of human activities.
  • Wildlife
    Animals living in the wilderness without human intervention
  • Wind Power
    Power (energy per second) derived from the wind .
  • Zero Error
    Any indication that a measuring system gives a false reading when the true value of a measured quantity is zero, eg the needle on an ammeter failing to return to zero when no current flows.

    A zero error may result in a systematic uncertainty.

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