Hazardous Practical Skills (Edexcel IGCSE Geography): Flashcards

Exam code: 4GE1

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Cards in this collection (15)

  • Hazardous environment fieldwork is based on the physical processes of what?

    An extreme weather event.

  • Name two geographical theories a weather fieldwork enquiry can be linked to.

    Microclimate and the passage of a depression or tropical storm.

  • Define systematic sampling in a weather enquiry.

    Sampling of sites at regular intervals along a transect line.

  • In ______ sampling, all sites have an equal chance of being selected, for example using a grid placed across a map of the school site.

    In random sampling, all sites have an equal chance of being selected, for example using a grid placed across a map of the school site.

  • Which instrument measures wind speed?

    An anemometer.

  • Which instrument measures air pressure?

    A barometer.

  • Which instrument measures humidity?

    A hygrometer.

  • State two risks associated specifically with weather fieldwork.

    Any two of: weather conditions, slipping on uneven ground, working in an unfamiliar place, misuse of equipment (mercury thermometers) or traffic.

  • Define Stevenson screen.

    A housing for weather instruments that allows air temperature in the shade to be recorded, protecting instruments and ensuring accuracy.

  • Which three instruments should be placed in a Stevenson screen to ensure accuracy?

    The thermometer, hygrometer and barometer.

  • Define weather diary.

    A record of weather conditions over a set period.

  • Which thermometer gives the maximum and minimum readings over 24 hours?

    A maximum and minimum thermometer.

  • A ______ is used to give the direction the wind is coming from.

    A wind vane is used to give the direction the wind is coming from.

  • In what units does an anemometer measure wind speed?

    km/h.

  • True or False?

    A rain gauge measures the amount of rainfall in centimetres.

    False.

    A rain gauge measures the amount of rainfall in millimetres (mm).

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