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Natuurwetenskappe

Energie-oordrag en stelsel

Gebruike van elektriese energie

Opvoeders afdeling

Memorandum

Kleure: Groen/geel bo, bruin en blou links en regs (lg. twee kan omruil).

Aarddraad: Lei stroom af sodat daar nie oorverhitting ontstaan nie/laat aard-lekkasieskakelaar uitskop om stoof af te sny. Anders kan brand ontstaan of kan persoon doodgeskok word.

Teken: Gevaar. Elektrisiteitinstallasies is gevaarlik. Nie net skokke nie, maar bestraling/magneetvelde is skadelik vir die mens.

Leerder afdeling

Inhoud

Aktiwiteit: om die internasionale kleurkode vir bedrading te kan beskryf en toepas, en om die veiligheidsmaatreëls by die gebruik van elektrisiteit te kan opnoem [lu 1.2, lu 1.3, lu 2.3]

  • Die drie-aar-elektriese draad bestaan uit drie geleiers, elk met sy kenmerkende kleur. Elke geleier het sy eie funksie. Die kleure van die drie geleiers in die draad word in byna alle lande gebruik en staan bekend as die internasionale kleurkode .

Kragproppe behoort volgens die internasionale kleurkode bedraad te word.

  • Die blou draad is die neutrale geleier en gelei elektrisiteit vanaf die apparaat na die kragbron.
  • Die bruin draad is die lewendige geleier en gelei elektrisiteit vanaf die kragbron na die apparaat.
  • Die geel-en-groen draad is die aarddraad en gelei oormatige elektrisiteit weg in die geval van ‘n kortsluiting.

Jul onderwyser sal ‘n kragprop wat korrek bedraad is aan julle wys. Maak seker dat julle weet presies waar elkeen van die geleiers vasgeskroef moet word, anders kan die toestel lewensgevaarlik wees as iemand daaraan sou raak.

Gebruik die toepaslike kleur en dui aan hoedat jy die prop in die volgende skets sal bedraad.

  • Doen navorsing en vind uit hoekom die aarddraad belangrik is. Verwys ook na die aardlekkasieskakelaar op die skakelbord by julle huis.

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  • Het jy hierdie teken al gesien?

Wat beteken dit? ___________________________________________________

Hoekom word dit altyd by elektriese aanlegte vertoon?

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  • Elektrisiteit is gevaarlik. Onthou die volgende veiligheidsmaatreëls as jy met elektrisiteit werk:

- Moet nooit ‘n elektriese apparaat wat stukkend is, self probeer regmaak nie. Vra liefs ‘n opgeleide elektrisiën om die herstelwerk te doen.

- Water is ‘n goeie geleier van elektrisiteit. Moet dus nooit met elektrisiteit werk terwyl jy naby water staan nie.

- Moenie ‘n kragprop uit ‘n kragsok trek deur aan die draad te pluk nie.

- Maak seker dat jy weet waar die gebou se hoofskakelaar sit. Wanneer iets verkeerd gaan, kan jy onmiddellik die hoofstroom afskakel.

- Pasop om elektriese drade onderdeur matte aan te lê. Dit is baie moeilik om die toestand van die drade te ondersoek, indien dit nie te alle tye sigbaar is nie.

VDit is ‘n goeie beleid om elektriese apparate van tyd tot tyd deur ‘n gekwalifiseerde elektrisiën te laat ondersoek.

Assessering

Leeruitkomste 1: Die leerder is in staat om met selfvertroue op weetgierigheid oor natuurlike verskynsels te reageer, en om binne die konteks van wetenskap, tegnologie en die omgewing verbande te ondersoek en probleme op te los.

Assesseringstandaard 1.2: Dit is duidelik wanneer die leerder ondersoeke uitvoer en data versamel;

Assesseringstandaard 1.3: Dit is duidelik wanneer die leerder data evalueer en bevindings kommunikeer.

Leeruitkomste 2: Die leerder ken, interpreteer en pas wetenskaplike, tegnologiese en omgewingskennis toe.

Assesseringstandaard 2.3: Dit is duidelik wanneer die leerder inligting interpreteer.

Questions & Answers

the diagram of the digestive system
Assiatu Reply
How does twins formed
William Reply
They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
Oluwatobi
what is genetics
Josephine Reply
Genetics is the study of heredity
Misack
how does twins formed?
Misack
What is manual
Hassan Reply
discuss biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles
Joseph Reply
what is biology
Yousuf Reply
the study of living organisms and their interactions with one another and their environments
AI-Robot
the study of living organisms and their interactions with one another and their environment.
Wine
discuss the biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles in an essay form
Joseph Reply
what is the blood cells
Shaker Reply
list any five characteristics of the blood cells
Shaker
lack electricity and its more savely than electronic microscope because its naturally by using of light
Abdullahi Reply
advantage of electronic microscope is easily and clearly while disadvantage is dangerous because its electronic. advantage of light microscope is savely and naturally by sun while disadvantage is not easily,means its not sharp and not clear
Abdullahi
cell theory state that every organisms composed of one or more cell,cell is the basic unit of life
Abdullahi
is like gone fail us
DENG
cells is the basic structure and functions of all living things
Ramadan
What is classification
ISCONT Reply
is organisms that are similar into groups called tara
Yamosa
in what situation (s) would be the use of a scanning electron microscope be ideal and why?
Kenna Reply
A scanning electron microscope (SEM) is ideal for situations requiring high-resolution imaging of surfaces. It is commonly used in materials science, biology, and geology to examine the topography and composition of samples at a nanoscale level. SEM is particularly useful for studying fine details,
Hilary
cell is the building block of life.
Condoleezza Reply
what is cell divisoin?
Aron Reply
Diversity of living thing
ISCONT
what is cell division
Aron Reply
Cell division is the process by which a single cell divides into two or more daughter cells. It is a fundamental process in all living organisms and is essential for growth, development, and reproduction. Cell division can occur through either mitosis or meiosis.
AI-Robot
What is life?
Allison Reply
life is defined as any system capable of performing functions such as eating, metabolizing,excreting,breathing,moving,Growing,reproducing,and responding to external stimuli.
Mohamed
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Source:  OpenStax, Natuurwetenskappe graad 6. OpenStax CNX. Sep 17, 2009 Download for free at http://cnx.org/content/col11080/1.1
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